66278025

素因数分解:

$3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{439}}^1$

素因数の和:527

約数の個数: 72

約数和(自身を含む): 131926080

約数和(自身を除く): 65648055

約数列:

[1, 3, 5, 9, 11, 15, 25, 33, 45, 55, 61, 75, 99, 165, 183, 225, 275, 305, 439, 495, 549, 671, 825, 915, 1317, 1525, 2013, 2195, 2475, 2745, 3355, 3951, 4575, 4829, 6039, 6585, 10065, 10975, 13725, 14487, 16775, 19755, 24145, 26779, 30195, 32925, 43461, 50325, 72435, 80337, 98775, 120725, 133895, 150975, 217305, 241011, 294569, 362175, 401685, 669475, 883707, 1086525, 1205055, 1472845, 2008425, 2651121, 4418535, 6025275, 7364225, 13255605, 22092675, 66278025]

約数ペア:

[(1, 66278025), (3, 22092675), (5, 13255605), (9, 7364225), (11, 6025275), (15, 4418535), (25, 2651121), (33, 2008425), (45, 1472845), (55, 1205055), (61, 1086525), (75, 883707), (99, 669475), (165, 401685), (183, 362175), (225, 294569), (275, 241011), (305, 217305), (439, 150975), (495, 133895), (549, 120725), (671, 98775), (825, 80337), (915, 72435), (1317, 50325), (1525, 43461), (2013, 32925), (2195, 30195), (2475, 26779), (2745, 24145), (3355, 19755), (3951, 16775), (4575, 14487), (4829, 13725), (6039, 10975), (6585, 10065)]