128525535

素因数分解:

$3^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{353}}^1$

素因数の和:430

約数の個数: 80

約数和(自身を含む): 246723840

約数和(自身を除く): 118198305

約数列:

[1, 3, 5, 9, 15, 27, 29, 31, 45, 81, 87, 93, 135, 145, 155, 261, 279, 353, 405, 435, 465, 783, 837, 899, 1059, 1305, 1395, 1765, 2349, 2511, 2697, 3177, 3915, 4185, 4495, 5295, 8091, 9531, 10237, 10943, 11745, 12555, 13485, 15885, 24273, 28593, 30711, 32829, 40455, 47655, 51185, 54715, 72819, 92133, 98487, 121365, 142965, 153555, 164145, 276399, 295461, 317347, 364095, 460665, 492435, 829197, 886383, 952041, 1381995, 1477305, 1586735, 2856123, 4145985, 4431915, 4760205, 8568369, 14280615, 25705107, 42841845, 128525535]

約数ペア:

[(1, 128525535), (3, 42841845), (5, 25705107), (9, 14280615), (15, 8568369), (27, 4760205), (29, 4431915), (31, 4145985), (45, 2856123), (81, 1586735), (87, 1477305), (93, 1381995), (135, 952041), (145, 886383), (155, 829197), (261, 492435), (279, 460665), (353, 364095), (405, 317347), (435, 295461), (465, 276399), (783, 164145), (837, 153555), (899, 142965), (1059, 121365), (1305, 98487), (1395, 92133), (1765, 72819), (2349, 54715), (2511, 51185), (2697, 47655), (3177, 40455), (3915, 32829), (4185, 30711), (4495, 28593), (5295, 24273), (8091, 15885), (9531, 13485), (10237, 12555), (10943, 11745)]