27679005

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{569}}^1$

素因数の和:650

約数の個数: 48

約数和(自身を含む): 51217920

約数和(自身を除く): 23538915

約数列:

[1, 3, 5, 9, 15, 23, 45, 47, 69, 115, 141, 207, 235, 345, 423, 569, 705, 1035, 1081, 1707, 2115, 2845, 3243, 5121, 5405, 8535, 9729, 13087, 16215, 25605, 26743, 39261, 48645, 65435, 80229, 117783, 133715, 196305, 240687, 401145, 588915, 615089, 1203435, 1845267, 3075445, 5535801, 9226335, 27679005]

約数ペア:

[(1, 27679005), (3, 9226335), (5, 5535801), (9, 3075445), (15, 1845267), (23, 1203435), (45, 615089), (47, 588915), (69, 401145), (115, 240687), (141, 196305), (207, 133715), (235, 117783), (345, 80229), (423, 65435), (569, 48645), (705, 39261), (1035, 26743), (1081, 25605), (1707, 16215), (2115, 13087), (2845, 9729), (3243, 8535), (5121, 5405)]