8961855

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{89}}^1\times {\mathrm{137}}^1$

素因数の和:248

約数の個数: 48

約数和(自身を含む): 16990560

約数和(自身を除く): 8028705

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 89, 105, 137, 147, 245, 267, 411, 445, 623, 685, 735, 959, 1335, 1869, 2055, 2877, 3115, 4361, 4795, 6713, 9345, 12193, 13083, 14385, 20139, 21805, 33565, 36579, 60965, 65415, 85351, 100695, 182895, 256053, 426755, 597457, 1280265, 1792371, 2987285, 8961855]

約数ペア:

[(1, 8961855), (3, 2987285), (5, 1792371), (7, 1280265), (15, 597457), (21, 426755), (35, 256053), (49, 182895), (89, 100695), (105, 85351), (137, 65415), (147, 60965), (245, 36579), (267, 33565), (411, 21805), (445, 20139), (623, 14385), (685, 13083), (735, 12193), (959, 9345), (1335, 6713), (1869, 4795), (2055, 4361), (2877, 3115)]