28782377505

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{641}}^1\times {\mathrm{142547}}^1$

素因数の和:143206

約数の個数: 48

約数和(自身を含む): 57105869184

約数和(自身を除く): 28323491679

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 641, 1923, 3205, 4487, 5769, 9615, 13461, 22435, 28845, 40383, 67305, 142547, 201915, 427641, 712735, 997829, 1282923, 2138205, 2993487, 4989145, 6414615, 8980461, 14967435, 44902305, 91372627, 274117881, 456863135, 639608389, 822353643, 1370589405, 1918825167, 3198041945, 4111768215, 5756475501, 9594125835, 28782377505]

約数ペア:

[(1, 28782377505), (3, 9594125835), (5, 5756475501), (7, 4111768215), (9, 3198041945), (15, 1918825167), (21, 1370589405), (35, 822353643), (45, 639608389), (63, 456863135), (105, 274117881), (315, 91372627), (641, 44902305), (1923, 14967435), (3205, 8980461), (4487, 6414615), (5769, 4989145), (9615, 2993487), (13461, 2138205), (22435, 1282923), (28845, 997829), (40383, 712735), (67305, 427641), (142547, 201915)]