17909775

素因数分解:

$3^3\times 5^2\times {\mathrm{13}}^2\times {\mathrm{157}}^1$

素因数の和:202

約数の個数: 72

約数和(自身を含む): 35853360

約数和(自身を除く): 17943585

約数列:

[1, 3, 5, 9, 13, 15, 25, 27, 39, 45, 65, 75, 117, 135, 157, 169, 195, 225, 325, 351, 471, 507, 585, 675, 785, 845, 975, 1413, 1521, 1755, 2041, 2355, 2535, 2925, 3925, 4225, 4239, 4563, 6123, 7065, 7605, 8775, 10205, 11775, 12675, 18369, 21195, 22815, 26533, 30615, 35325, 38025, 51025, 55107, 79599, 91845, 105975, 114075, 132665, 153075, 238797, 275535, 397995, 459225, 663325, 716391, 1193985, 1377675, 1989975, 3581955, 5969925, 17909775]

約数ペア:

[(1, 17909775), (3, 5969925), (5, 3581955), (9, 1989975), (13, 1377675), (15, 1193985), (25, 716391), (27, 663325), (39, 459225), (45, 397995), (65, 275535), (75, 238797), (117, 153075), (135, 132665), (157, 114075), (169, 105975), (195, 91845), (225, 79599), (325, 55107), (351, 51025), (471, 38025), (507, 35325), (585, 30615), (675, 26533), (785, 22815), (845, 21195), (975, 18369), (1413, 12675), (1521, 11775), (1755, 10205), (2041, 8775), (2355, 7605), (2535, 7065), (2925, 6123), (3925, 4563), (4225, 4239)]