25361523

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{139}}^1$

素因数の和:272

約数の個数: 48

約数和(自身を含む): 42806400

約数和(自身を除く): 17444877

約数列:

[1, 3, 9, 11, 19, 33, 57, 97, 99, 139, 171, 209, 291, 417, 627, 873, 1067, 1251, 1529, 1843, 1881, 2641, 3201, 4587, 5529, 7923, 9603, 13483, 13761, 16587, 20273, 23769, 29051, 40449, 60819, 87153, 121347, 148313, 182457, 256177, 261459, 444939, 768531, 1334817, 2305593, 2817947, 8453841, 25361523]

約数ペア:

[(1, 25361523), (3, 8453841), (9, 2817947), (11, 2305593), (19, 1334817), (33, 768531), (57, 444939), (97, 261459), (99, 256177), (139, 182457), (171, 148313), (209, 121347), (291, 87153), (417, 60819), (627, 40449), (873, 29051), (1067, 23769), (1251, 20273), (1529, 16587), (1843, 13761), (1881, 13483), (2641, 9603), (3201, 7923), (4587, 5529)]