7898025

素因数分解:

$3^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1$

素因数の和:166

約数の個数: 48

約数和(自身を含む): 13967360

約数和(自身を除く): 6069335

約数列:

[1, 3, 5, 15, 25, 31, 43, 75, 79, 93, 129, 155, 215, 237, 395, 465, 645, 775, 1075, 1185, 1333, 1975, 2325, 2449, 3225, 3397, 3999, 5925, 6665, 7347, 10191, 12245, 16985, 19995, 33325, 36735, 50955, 61225, 84925, 99975, 105307, 183675, 254775, 315921, 526535, 1579605, 2632675, 7898025]

約数ペア:

[(1, 7898025), (3, 2632675), (5, 1579605), (15, 526535), (25, 315921), (31, 254775), (43, 183675), (75, 105307), (79, 99975), (93, 84925), (129, 61225), (155, 50955), (215, 36735), (237, 33325), (395, 19995), (465, 16985), (645, 12245), (775, 10191), (1075, 7347), (1185, 6665), (1333, 5925), (1975, 3999), (2325, 3397), (2449, 3225)]