72987705

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{79}}^1\times {\mathrm{419}}^1$

素因数の和:523

約数の個数: 72

約数和(自身を含む): 149385600

約数和(自身を除く): 76397895

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 49, 63, 79, 105, 147, 237, 245, 315, 395, 419, 441, 553, 711, 735, 1185, 1257, 1659, 2095, 2205, 2765, 2933, 3555, 3771, 3871, 4977, 6285, 8295, 8799, 11613, 14665, 18855, 19355, 20531, 24885, 26397, 33101, 34839, 43995, 58065, 61593, 99303, 102655, 131985, 165505, 174195, 184779, 231707, 297909, 307965, 496515, 695121, 923895, 1158535, 1489545, 1621949, 2085363, 3475605, 4865847, 8109745, 10426815, 14597541, 24329235, 72987705]

約数ペア:

[(1, 72987705), (3, 24329235), (5, 14597541), (7, 10426815), (9, 8109745), (15, 4865847), (21, 3475605), (35, 2085363), (45, 1621949), (49, 1489545), (63, 1158535), (79, 923895), (105, 695121), (147, 496515), (237, 307965), (245, 297909), (315, 231707), (395, 184779), (419, 174195), (441, 165505), (553, 131985), (711, 102655), (735, 99303), (1185, 61593), (1257, 58065), (1659, 43995), (2095, 34839), (2205, 33101), (2765, 26397), (2933, 24885), (3555, 20531), (3771, 19355), (3871, 18855), (4977, 14665), (6285, 11613), (8295, 8799)]