1285725

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1$

素因数の和:130

約数の個数: 48

約数和(自身を含む): 2539520

約数和(自身を除く): 1253795

約数列:

[1, 3, 5, 7, 15, 21, 25, 31, 35, 75, 79, 93, 105, 155, 175, 217, 237, 395, 465, 525, 553, 651, 775, 1085, 1185, 1659, 1975, 2325, 2449, 2765, 3255, 5425, 5925, 7347, 8295, 12245, 13825, 16275, 17143, 36735, 41475, 51429, 61225, 85715, 183675, 257145, 428575, 1285725]

約数ペア:

[(1, 1285725), (3, 428575), (5, 257145), (7, 183675), (15, 85715), (21, 61225), (25, 51429), (31, 41475), (35, 36735), (75, 17143), (79, 16275), (93, 13825), (105, 12245), (155, 8295), (175, 7347), (217, 5925), (237, 5425), (395, 3255), (465, 2765), (525, 2449), (553, 2325), (651, 1975), (775, 1659), (1085, 1185)]