1620238431

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{62171}}^1$

素因数の和:62271

約数の個数: 32

約数和(自身を含む): 2650019328

約数和(自身を除く): 1029780897

約数列:

[1, 3, 7, 17, 21, 51, 73, 119, 219, 357, 511, 1241, 1533, 3723, 8687, 26061, 62171, 186513, 435197, 1056907, 1305591, 3170721, 4538483, 7398349, 13615449, 22195047, 31769381, 77154211, 95308143, 231462633, 540079477, 1620238431]

約数ペア:

[(1, 1620238431), (3, 540079477), (7, 231462633), (17, 95308143), (21, 77154211), (51, 31769381), (73, 22195047), (119, 13615449), (219, 7398349), (357, 4538483), (511, 3170721), (1241, 1305591), (1533, 1056907), (3723, 435197), (8687, 186513), (26061, 62171)]