23811921

素因数分解:

$3^3\times 7^1\times {\mathrm{19}}^2\times {\mathrm{349}}^1$

素因数の和:403

約数の個数: 48

約数和(自身を含む): 42672000

約数和(自身を除く): 18860079

約数列:

[1, 3, 7, 9, 19, 21, 27, 57, 63, 133, 171, 189, 349, 361, 399, 513, 1047, 1083, 1197, 2443, 2527, 3141, 3249, 3591, 6631, 7329, 7581, 9423, 9747, 19893, 21987, 22743, 46417, 59679, 65961, 68229, 125989, 139251, 179037, 377967, 417753, 881923, 1133901, 1253259, 2645769, 3401703, 7937307, 23811921]

約数ペア:

[(1, 23811921), (3, 7937307), (7, 3401703), (9, 2645769), (19, 1253259), (21, 1133901), (27, 881923), (57, 417753), (63, 377967), (133, 179037), (171, 139251), (189, 125989), (349, 68229), (361, 65961), (399, 59679), (513, 46417), (1047, 22743), (1083, 21987), (1197, 19893), (2443, 9747), (2527, 9423), (3141, 7581), (3249, 7329), (3591, 6631)]