222488775

素因数分解:

$3^4\times 5^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{281}}^1$

素因数の和:343

約数の個数: 120

約数和(自身を含む): 456961824

約数和(自身を除く): 234473049

約数列:

[1, 3, 5, 9, 15, 17, 23, 25, 27, 45, 51, 69, 75, 81, 85, 115, 135, 153, 207, 225, 255, 281, 345, 391, 405, 425, 459, 575, 621, 675, 765, 843, 1035, 1173, 1275, 1377, 1405, 1725, 1863, 1955, 2025, 2295, 2529, 3105, 3519, 3825, 4215, 4777, 5175, 5865, 6463, 6885, 7025, 7587, 9315, 9775, 10557, 11475, 12645, 14331, 15525, 17595, 19389, 21075, 22761, 23885, 29325, 31671, 32315, 34425, 37935, 42993, 46575, 52785, 58167, 63225, 71655, 87975, 96945, 109871, 113805, 119425, 128979, 158355, 161575, 174501, 189675, 214965, 263925, 290835, 329613, 358275, 386937, 484725, 523503, 549355, 569025, 644895, 791775, 872505, 988839, 1074825, 1454175, 1648065, 1934685, 2617515, 2746775, 2966517, 3224475, 4362525, 4944195, 8240325, 8899551, 9673425, 13087575, 14832585, 24720975, 44497755, 74162925, 222488775]

約数ペア:

[(1, 222488775), (3, 74162925), (5, 44497755), (9, 24720975), (15, 14832585), (17, 13087575), (23, 9673425), (25, 8899551), (27, 8240325), (45, 4944195), (51, 4362525), (69, 3224475), (75, 2966517), (81, 2746775), (85, 2617515), (115, 1934685), (135, 1648065), (153, 1454175), (207, 1074825), (225, 988839), (255, 872505), (281, 791775), (345, 644895), (391, 569025), (405, 549355), (425, 523503), (459, 484725), (575, 386937), (621, 358275), (675, 329613), (765, 290835), (843, 263925), (1035, 214965), (1173, 189675), (1275, 174501), (1377, 161575), (1405, 158355), (1725, 128979), (1863, 119425), (1955, 113805), (2025, 109871), (2295, 96945), (2529, 87975), (3105, 71655), (3519, 63225), (3825, 58167), (4215, 52785), (4777, 46575), (5175, 42993), (5865, 37935), (6463, 34425), (6885, 32315), (7025, 31671), (7587, 29325), (9315, 23885), (9775, 22761), (10557, 21075), (11475, 19389), (12645, 17595), (14331, 15525)]