17899425

素因数分解:

$3^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1$

素因数の和:167

約数の個数: 72

約数和(自身を含む): 34819200

約数和(自身を除く): 16919775

約数列:

[1, 3, 5, 9, 15, 19, 25, 45, 53, 57, 75, 79, 95, 159, 171, 225, 237, 265, 285, 395, 475, 477, 711, 795, 855, 1007, 1185, 1325, 1425, 1501, 1975, 2385, 3021, 3555, 3975, 4187, 4275, 4503, 5035, 5925, 7505, 9063, 11925, 12561, 13509, 15105, 17775, 20935, 22515, 25175, 37525, 37683, 45315, 62805, 67545, 75525, 79553, 104675, 112575, 188415, 226575, 238659, 314025, 337725, 397765, 715977, 942075, 1193295, 1988825, 3579885, 5966475, 17899425]

約数ペア:

[(1, 17899425), (3, 5966475), (5, 3579885), (9, 1988825), (15, 1193295), (19, 942075), (25, 715977), (45, 397765), (53, 337725), (57, 314025), (75, 238659), (79, 226575), (95, 188415), (159, 112575), (171, 104675), (225, 79553), (237, 75525), (265, 67545), (285, 62805), (395, 45315), (475, 37683), (477, 37525), (711, 25175), (795, 22515), (855, 20935), (1007, 17775), (1185, 15105), (1325, 13509), (1425, 12561), (1501, 11925), (1975, 9063), (2385, 7505), (3021, 5925), (3555, 5035), (3975, 4503), (4187, 4275)]