1397925

素因数分解:

$3^3\times 5^2\times {\mathrm{19}}^1\times {\mathrm{109}}^1$

素因数の和:147

約数の個数: 48

約数和(自身を含む): 2728000

約数和(自身を除く): 1330075

約数列:

[1, 3, 5, 9, 15, 19, 25, 27, 45, 57, 75, 95, 109, 135, 171, 225, 285, 327, 475, 513, 545, 675, 855, 981, 1425, 1635, 2071, 2565, 2725, 2943, 4275, 4905, 6213, 8175, 10355, 12825, 14715, 18639, 24525, 31065, 51775, 55917, 73575, 93195, 155325, 279585, 465975, 1397925]

約数ペア:

[(1, 1397925), (3, 465975), (5, 279585), (9, 155325), (15, 93195), (19, 73575), (25, 55917), (27, 51775), (45, 31065), (57, 24525), (75, 18639), (95, 14715), (109, 12825), (135, 10355), (171, 8175), (225, 6213), (285, 4905), (327, 4275), (475, 2943), (513, 2725), (545, 2565), (675, 2071), (855, 1635), (981, 1425)]