4006485

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{79}}^1$

素因数の和:127

約数の個数: 72

約数和(自身を含む): 8536320

約数和(自身を除く): 4529835

約数列:

[1, 3, 5, 7, 9, 15, 21, 23, 35, 45, 49, 63, 69, 79, 105, 115, 147, 161, 207, 237, 245, 315, 345, 395, 441, 483, 553, 711, 735, 805, 1035, 1127, 1185, 1449, 1659, 1817, 2205, 2415, 2765, 3381, 3555, 3871, 4977, 5451, 5635, 7245, 8295, 9085, 10143, 11613, 12719, 16353, 16905, 19355, 24885, 27255, 34839, 38157, 50715, 58065, 63595, 81765, 89033, 114471, 174195, 190785, 267099, 445165, 572355, 801297, 1335495, 4006485]

約数ペア:

[(1, 4006485), (3, 1335495), (5, 801297), (7, 572355), (9, 445165), (15, 267099), (21, 190785), (23, 174195), (35, 114471), (45, 89033), (49, 81765), (63, 63595), (69, 58065), (79, 50715), (105, 38157), (115, 34839), (147, 27255), (161, 24885), (207, 19355), (237, 16905), (245, 16353), (315, 12719), (345, 11613), (395, 10143), (441, 9085), (483, 8295), (553, 7245), (711, 5635), (735, 5451), (805, 4977), (1035, 3871), (1127, 3555), (1185, 3381), (1449, 2765), (1659, 2415), (1817, 2205)]