31788015

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{709}}^1$

素因数の和:792

約数の個数: 48

約数和(自身を含む): 60219360

約数和(自身を除く): 28431345

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 61, 105, 147, 183, 245, 305, 427, 709, 735, 915, 1281, 2127, 2135, 2989, 3545, 4963, 6405, 8967, 10635, 14889, 14945, 24815, 34741, 43249, 44835, 74445, 104223, 129747, 173705, 216245, 302743, 521115, 648735, 908229, 1513715, 2119201, 4541145, 6357603, 10596005, 31788015]

約数ペア:

[(1, 31788015), (3, 10596005), (5, 6357603), (7, 4541145), (15, 2119201), (21, 1513715), (35, 908229), (49, 648735), (61, 521115), (105, 302743), (147, 216245), (183, 173705), (245, 129747), (305, 104223), (427, 74445), (709, 44835), (735, 43249), (915, 34741), (1281, 24815), (2127, 14945), (2135, 14889), (2989, 10635), (3545, 8967), (4963, 6405)]