25556895

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{79}}^2$

素因数の和:189

約数の個数: 72

約数和(自身を含む): 55220256

約数和(自身を除く): 29663361

約数列:

[1, 3, 5, 7, 9, 13, 15, 21, 35, 39, 45, 63, 65, 79, 91, 105, 117, 195, 237, 273, 315, 395, 455, 553, 585, 711, 819, 1027, 1185, 1365, 1659, 2765, 3081, 3555, 4095, 4977, 5135, 6241, 7189, 8295, 9243, 15405, 18723, 21567, 24885, 31205, 35945, 43687, 46215, 56169, 64701, 81133, 93615, 107835, 131061, 218435, 243399, 280845, 323505, 393183, 405665, 567931, 655305, 730197, 1216995, 1703793, 1965915, 2839655, 3650985, 5111379, 8518965, 25556895]

約数ペア:

[(1, 25556895), (3, 8518965), (5, 5111379), (7, 3650985), (9, 2839655), (13, 1965915), (15, 1703793), (21, 1216995), (35, 730197), (39, 655305), (45, 567931), (63, 405665), (65, 393183), (79, 323505), (91, 280845), (105, 243399), (117, 218435), (195, 131061), (237, 107835), (273, 93615), (315, 81133), (395, 64701), (455, 56169), (553, 46215), (585, 43687), (711, 35945), (819, 31205), (1027, 24885), (1185, 21567), (1365, 18723), (1659, 15405), (2765, 9243), (3081, 8295), (3555, 7189), (4095, 6241), (4977, 5135)]