30980985

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{691}}^1$

素因数の和:774

約数の個数: 48

約数和(自身を含む): 58692672

約数和(自身を除く): 27711687

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 61, 105, 147, 183, 245, 305, 427, 691, 735, 915, 1281, 2073, 2135, 2989, 3455, 4837, 6405, 8967, 10365, 14511, 14945, 24185, 33859, 42151, 44835, 72555, 101577, 126453, 169295, 210755, 295057, 507885, 632265, 885171, 1475285, 2065399, 4425855, 6196197, 10326995, 30980985]

約数ペア:

[(1, 30980985), (3, 10326995), (5, 6196197), (7, 4425855), (15, 2065399), (21, 1475285), (35, 885171), (49, 632265), (61, 507885), (105, 295057), (147, 210755), (183, 169295), (245, 126453), (305, 101577), (427, 72555), (691, 44835), (735, 42151), (915, 33859), (1281, 24185), (2073, 14945), (2135, 14511), (2989, 10365), (3455, 8967), (4837, 6405)]