189234225

素因数分解:

$3^4\times 5^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{239}}^1$

素因数の和:301

約数の個数: 120

約数和(自身を含む): 388903680

約数和(自身を除く): 199669455

約数列:

[1, 3, 5, 9, 15, 17, 23, 25, 27, 45, 51, 69, 75, 81, 85, 115, 135, 153, 207, 225, 239, 255, 345, 391, 405, 425, 459, 575, 621, 675, 717, 765, 1035, 1173, 1195, 1275, 1377, 1725, 1863, 1955, 2025, 2151, 2295, 3105, 3519, 3585, 3825, 4063, 5175, 5497, 5865, 5975, 6453, 6885, 9315, 9775, 10557, 10755, 11475, 12189, 15525, 16491, 17595, 17925, 19359, 20315, 27485, 29325, 31671, 32265, 34425, 36567, 46575, 49473, 52785, 53775, 60945, 82455, 87975, 93449, 96795, 101575, 109701, 137425, 148419, 158355, 161325, 182835, 247365, 263925, 280347, 304725, 329103, 412275, 445257, 467245, 483975, 548505, 742095, 791775, 841041, 914175, 1236825, 1401735, 1645515, 2226285, 2336225, 2523123, 2742525, 3710475, 4205205, 7008675, 7569369, 8227575, 11131425, 12615615, 21026025, 37846845, 63078075, 189234225]

約数ペア:

[(1, 189234225), (3, 63078075), (5, 37846845), (9, 21026025), (15, 12615615), (17, 11131425), (23, 8227575), (25, 7569369), (27, 7008675), (45, 4205205), (51, 3710475), (69, 2742525), (75, 2523123), (81, 2336225), (85, 2226285), (115, 1645515), (135, 1401735), (153, 1236825), (207, 914175), (225, 841041), (239, 791775), (255, 742095), (345, 548505), (391, 483975), (405, 467245), (425, 445257), (459, 412275), (575, 329103), (621, 304725), (675, 280347), (717, 263925), (765, 247365), (1035, 182835), (1173, 161325), (1195, 158355), (1275, 148419), (1377, 137425), (1725, 109701), (1863, 101575), (1955, 96795), (2025, 93449), (2151, 87975), (2295, 82455), (3105, 60945), (3519, 53775), (3585, 52785), (3825, 49473), (4063, 46575), (5175, 36567), (5497, 34425), (5865, 32265), (5975, 31671), (6453, 29325), (6885, 27485), (9315, 20315), (9775, 19359), (10557, 17925), (10755, 17595), (11475, 16491), (12189, 15525)]