78405735

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^2\times {\mathrm{41}}^1\times {\mathrm{241}}^1$

素因数の和:336

約数の個数: 48

約数和(自身を含む): 134896608

約数和(自身を除く): 56490873

約数列:

[1, 3, 5, 15, 23, 41, 69, 115, 123, 205, 241, 345, 529, 615, 723, 943, 1205, 1587, 2645, 2829, 3615, 4715, 5543, 7935, 9881, 14145, 16629, 21689, 27715, 29643, 49405, 65067, 83145, 108445, 127489, 148215, 227263, 325335, 382467, 637445, 681789, 1136315, 1912335, 3408945, 5227049, 15681147, 26135245, 78405735]

約数ペア:

[(1, 78405735), (3, 26135245), (5, 15681147), (15, 5227049), (23, 3408945), (41, 1912335), (69, 1136315), (115, 681789), (123, 637445), (205, 382467), (241, 325335), (345, 227263), (529, 148215), (615, 127489), (723, 108445), (943, 83145), (1205, 65067), (1587, 49405), (2645, 29643), (2829, 27715), (3615, 21689), (4715, 16629), (5543, 14145), (7935, 9881)]