1816425

素因数分解:

$3^5\times 5^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1$

素因数の和:61

約数の個数: 72

約数和(自身を含む): 3791424

約数和(自身を除く): 1974999

約数列:

[1, 3, 5, 9, 13, 15, 23, 25, 27, 39, 45, 65, 69, 75, 81, 115, 117, 135, 195, 207, 225, 243, 299, 325, 345, 351, 405, 575, 585, 621, 675, 897, 975, 1035, 1053, 1215, 1495, 1725, 1755, 1863, 2025, 2691, 2925, 3105, 3159, 4485, 5175, 5265, 5589, 6075, 7475, 8073, 8775, 9315, 13455, 15525, 15795, 22425, 24219, 26325, 27945, 40365, 46575, 67275, 72657, 78975, 121095, 139725, 201825, 363285, 605475, 1816425]

約数ペア:

[(1, 1816425), (3, 605475), (5, 363285), (9, 201825), (13, 139725), (15, 121095), (23, 78975), (25, 72657), (27, 67275), (39, 46575), (45, 40365), (65, 27945), (69, 26325), (75, 24219), (81, 22425), (115, 15795), (117, 15525), (135, 13455), (195, 9315), (207, 8775), (225, 8073), (243, 7475), (299, 6075), (325, 5589), (345, 5265), (351, 5175), (405, 4485), (575, 3159), (585, 3105), (621, 2925), (675, 2691), (897, 2025), (975, 1863), (1035, 1755), (1053, 1725), (1215, 1495)]