30887025

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{401}}^1$

素因数の和:506

約数の個数: 48

約数和(自身を含む): 55829760

約数和(自身を除く): 24942735

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 79, 195, 237, 325, 395, 401, 975, 1027, 1185, 1203, 1975, 2005, 3081, 5135, 5213, 5925, 6015, 10025, 15405, 15639, 25675, 26065, 30075, 31679, 77025, 78195, 95037, 130325, 158395, 390975, 411827, 475185, 791975, 1235481, 2059135, 2375925, 6177405, 10295675, 30887025]

約数ペア:

[(1, 30887025), (3, 10295675), (5, 6177405), (13, 2375925), (15, 2059135), (25, 1235481), (39, 791975), (65, 475185), (75, 411827), (79, 390975), (195, 158395), (237, 130325), (325, 95037), (395, 78195), (401, 77025), (975, 31679), (1027, 30075), (1185, 26065), (1203, 25675), (1975, 15639), (2005, 15405), (3081, 10025), (5135, 6015), (5213, 5925)]