21871632015

素因数分解:

$3^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{3767723}}^1$

素因数の和:3767780

約数の個数: 32

約数和(自身を含む): 39787165440

約数和(自身を除く): 17915533425

約数列:

[1, 3, 5, 9, 15, 27, 43, 45, 129, 135, 215, 387, 645, 1161, 1935, 5805, 3767723, 11303169, 18838615, 33909507, 56515845, 101728521, 162012089, 169547535, 486036267, 508642605, 810060445, 1458108801, 2430181335, 4374326403, 7290544005, 21871632015]

約数ペア:

[(1, 21871632015), (3, 7290544005), (5, 4374326403), (9, 2430181335), (15, 1458108801), (27, 810060445), (43, 508642605), (45, 486036267), (129, 169547535), (135, 162012089), (215, 101728521), (387, 56515845), (645, 33909507), (1161, 18838615), (1935, 11303169), (5805, 3767723)]