24781491

素因数分解:

$3^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{103}}^1$

素因数の和:205

約数の個数: 64

約数和(自身を含む): 45260800

約数和(自身を除く): 20479309

約数列:

[1, 3, 7, 9, 19, 21, 27, 57, 63, 67, 103, 133, 171, 189, 201, 309, 399, 469, 513, 603, 721, 927, 1197, 1273, 1407, 1809, 1957, 2163, 2781, 3591, 3819, 4221, 5871, 6489, 6901, 8911, 11457, 12663, 13699, 17613, 19467, 20703, 26733, 34371, 41097, 48307, 52839, 62109, 80199, 123291, 131119, 144921, 186327, 240597, 369873, 393357, 434763, 917833, 1180071, 1304289, 2753499, 3540213, 8260497, 24781491]

約数ペア:

[(1, 24781491), (3, 8260497), (7, 3540213), (9, 2753499), (19, 1304289), (21, 1180071), (27, 917833), (57, 434763), (63, 393357), (67, 369873), (103, 240597), (133, 186327), (171, 144921), (189, 131119), (201, 123291), (309, 80199), (399, 62109), (469, 52839), (513, 48307), (603, 41097), (721, 34371), (927, 26733), (1197, 20703), (1273, 19467), (1407, 17613), (1809, 13699), (1957, 12663), (2163, 11457), (2781, 8911), (3591, 6901), (3819, 6489), (4221, 5871)]