8213955

素因数分解:

$3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{191}}^1$

素因数の和:307

約数の個数: 32

約数和(自身を含む): 13713408

約数和(自身を除く): 5499453

約数列:

[1, 3, 5, 15, 47, 61, 141, 183, 191, 235, 305, 573, 705, 915, 955, 2865, 2867, 8601, 8977, 11651, 14335, 26931, 34953, 43005, 44885, 58255, 134655, 174765, 547597, 1642791, 2737985, 8213955]

約数ペア:

[(1, 8213955), (3, 2737985), (5, 1642791), (15, 547597), (47, 174765), (61, 134655), (141, 58255), (183, 44885), (191, 43005), (235, 34953), (305, 26931), (573, 14335), (705, 11651), (915, 8977), (955, 8601), (2865, 2867)]