73647987

素因数分解:

$3^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{103}}^1\times {\mathrm{431}}^1$

素因数の和:623

約数の個数: 32

約数和(自身を含む): 115015680

約数和(自身を除く): 41367693

約数列:

[1, 3, 7, 21, 79, 103, 237, 309, 431, 553, 721, 1293, 1659, 2163, 3017, 8137, 9051, 24411, 34049, 44393, 56959, 102147, 133179, 170877, 238343, 310751, 715029, 932253, 3507047, 10521141, 24549329, 73647987]

約数ペア:

[(1, 73647987), (3, 24549329), (7, 10521141), (21, 3507047), (79, 932253), (103, 715029), (237, 310751), (309, 238343), (431, 170877), (553, 133179), (721, 102147), (1293, 56959), (1659, 44393), (2163, 34049), (3017, 24411), (8137, 9051)]