25115769

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{233}}^1$

素因数の和:334

約数の個数: 48

約数和(自身を含む): 43804800

約数和(自身を除く): 18689031

約数列:

[1, 3, 7, 9, 21, 29, 59, 63, 87, 177, 203, 233, 261, 413, 531, 609, 699, 1239, 1631, 1711, 1827, 2097, 3717, 4893, 5133, 6757, 11977, 13747, 14679, 15399, 20271, 35931, 41241, 47299, 60813, 96229, 107793, 123723, 141897, 288687, 398663, 425691, 866061, 1195989, 2790641, 3587967, 8371923, 25115769]

約数ペア:

[(1, 25115769), (3, 8371923), (7, 3587967), (9, 2790641), (21, 1195989), (29, 866061), (59, 425691), (63, 398663), (87, 288687), (177, 141897), (203, 123723), (233, 107793), (261, 96229), (413, 60813), (531, 47299), (609, 41241), (699, 35931), (1239, 20271), (1631, 15399), (1711, 14679), (1827, 13747), (2097, 11977), (3717, 6757), (4893, 5133)]