221350455

素因数分解:

$3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{2243}}^1$

素因数の和:2317

約数の個数: 64

約数和(自身を含む): 426539520

約数和(自身を除く): 205189065

約数列:

[1, 3, 5, 9, 15, 17, 27, 43, 45, 51, 85, 129, 135, 153, 215, 255, 387, 459, 645, 731, 765, 1161, 1935, 2193, 2243, 2295, 3655, 5805, 6579, 6729, 10965, 11215, 19737, 20187, 32895, 33645, 38131, 60561, 96449, 98685, 100935, 114393, 190655, 289347, 302805, 343179, 482245, 571965, 868041, 1029537, 1446735, 1639633, 1715895, 2604123, 4340205, 4918899, 5147685, 8198165, 13020615, 14756697, 24594495, 44270091, 73783485, 221350455]

約数ペア:

[(1, 221350455), (3, 73783485), (5, 44270091), (9, 24594495), (15, 14756697), (17, 13020615), (27, 8198165), (43, 5147685), (45, 4918899), (51, 4340205), (85, 2604123), (129, 1715895), (135, 1639633), (153, 1446735), (215, 1029537), (255, 868041), (387, 571965), (459, 482245), (645, 343179), (731, 302805), (765, 289347), (1161, 190655), (1935, 114393), (2193, 100935), (2243, 98685), (2295, 96449), (3655, 60561), (5805, 38131), (6579, 33645), (6729, 32895), (10965, 20187), (11215, 19737)]