319202325

素因数分解:

$3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{1789}}^1$

素因数の和:1879

約数の個数: 72

約数和(自身を含む): 626149160

約数和(自身を除く): 306946835

約数列:

[1, 3, 5, 9, 13, 15, 25, 39, 45, 61, 65, 75, 117, 183, 195, 225, 305, 325, 549, 585, 793, 915, 975, 1525, 1789, 2379, 2745, 2925, 3965, 4575, 5367, 7137, 8945, 11895, 13725, 16101, 19825, 23257, 26835, 35685, 44725, 59475, 69771, 80505, 109129, 116285, 134175, 178425, 209313, 327387, 348855, 402525, 545645, 581425, 982161, 1046565, 1418677, 1636935, 1744275, 2728225, 4256031, 4910805, 5232825, 7093385, 8184675, 12768093, 21280155, 24554025, 35466925, 63840465, 106400775, 319202325]

約数ペア:

[(1, 319202325), (3, 106400775), (5, 63840465), (9, 35466925), (13, 24554025), (15, 21280155), (25, 12768093), (39, 8184675), (45, 7093385), (61, 5232825), (65, 4910805), (75, 4256031), (117, 2728225), (183, 1744275), (195, 1636935), (225, 1418677), (305, 1046565), (325, 982161), (549, 581425), (585, 545645), (793, 402525), (915, 348855), (975, 327387), (1525, 209313), (1789, 178425), (2379, 134175), (2745, 116285), (2925, 109129), (3965, 80505), (4575, 69771), (5367, 59475), (7137, 44725), (8945, 35685), (11895, 26835), (13725, 23257), (16101, 19825)]