2138535

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1$

素因数の和:125

約数の個数: 64

約数和(自身を含む): 4546560

約数和(自身を除く): 2408025

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 31, 35, 45, 63, 73, 93, 105, 135, 155, 189, 217, 219, 279, 315, 365, 465, 511, 651, 657, 837, 945, 1085, 1095, 1395, 1533, 1953, 1971, 2263, 2555, 3255, 3285, 4185, 4599, 5859, 6789, 7665, 9765, 9855, 11315, 13797, 15841, 20367, 22995, 29295, 33945, 47523, 61101, 68985, 79205, 101835, 142569, 237615, 305505, 427707, 712845, 2138535]

約数ペア:

[(1, 2138535), (3, 712845), (5, 427707), (7, 305505), (9, 237615), (15, 142569), (21, 101835), (27, 79205), (31, 68985), (35, 61101), (45, 47523), (63, 33945), (73, 29295), (93, 22995), (105, 20367), (135, 15841), (155, 13797), (189, 11315), (217, 9855), (219, 9765), (279, 7665), (315, 6789), (365, 5859), (465, 4599), (511, 4185), (651, 3285), (657, 3255), (837, 2555), (945, 2263), (1085, 1971), (1095, 1953), (1395, 1533)]