281639505

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{113}}^1\times {\mathrm{3391}}^1$

素因数の和:3526

約数の個数: 48

約数和(自身を含む): 528989184

約数和(自身を除く): 247349679

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 113, 147, 245, 339, 565, 735, 791, 1695, 2373, 3391, 3955, 5537, 10173, 11865, 16611, 16955, 23737, 27685, 50865, 71211, 83055, 118685, 166159, 356055, 383183, 498477, 830795, 1149549, 1915915, 2492385, 2682281, 5747745, 8046843, 13411405, 18775967, 40234215, 56327901, 93879835, 281639505]

約数ペア:

[(1, 281639505), (3, 93879835), (5, 56327901), (7, 40234215), (15, 18775967), (21, 13411405), (35, 8046843), (49, 5747745), (105, 2682281), (113, 2492385), (147, 1915915), (245, 1149549), (339, 830795), (565, 498477), (735, 383183), (791, 356055), (1695, 166159), (2373, 118685), (3391, 83055), (3955, 71211), (5537, 50865), (10173, 27685), (11865, 23737), (16611, 16955)]