15921906

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{241}}^1$

素因数の和:288

約数の個数: 96

約数和(自身を含む): 43257984

約数和(自身を除く): 27336078

約数列:

[1, 2, 3, 6, 7, 11, 13, 14, 21, 22, 26, 33, 39, 42, 66, 77, 78, 91, 121, 143, 154, 182, 231, 241, 242, 273, 286, 363, 429, 462, 482, 546, 723, 726, 847, 858, 1001, 1446, 1573, 1687, 1694, 2002, 2541, 2651, 3003, 3133, 3146, 3374, 4719, 5061, 5082, 5302, 6006, 6266, 7953, 9399, 9438, 10122, 11011, 15906, 18557, 18798, 21931, 22022, 29161, 33033, 34463, 37114, 43862, 55671, 58322, 65793, 66066, 68926, 87483, 103389, 111342, 131586, 174966, 204127, 206778, 241241, 379093, 408254, 482482, 612381, 723723, 758186, 1137279, 1224762, 1447446, 2274558, 2653651, 5307302, 7960953, 15921906]

約数ペア:

[(1, 15921906), (2, 7960953), (3, 5307302), (6, 2653651), (7, 2274558), (11, 1447446), (13, 1224762), (14, 1137279), (21, 758186), (22, 723723), (26, 612381), (33, 482482), (39, 408254), (42, 379093), (66, 241241), (77, 206778), (78, 204127), (91, 174966), (121, 131586), (143, 111342), (154, 103389), (182, 87483), (231, 68926), (241, 66066), (242, 65793), (273, 58322), (286, 55671), (363, 43862), (429, 37114), (462, 34463), (482, 33033), (546, 29161), (723, 22022), (726, 21931), (847, 18798), (858, 18557), (1001, 15906), (1446, 11011), (1573, 10122), (1687, 9438), (1694, 9399), (2002, 7953), (2541, 6266), (2651, 6006), (3003, 5302), (3133, 5082), (3146, 5061), (3374, 4719)]