16870665

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1$

素因数の和:190

約数の個数: 64

約数和(自身を含む): 32735232

約数和(自身を除く): 15864567

約数列:

[1, 3, 5, 7, 15, 21, 31, 35, 71, 73, 93, 105, 155, 213, 217, 219, 355, 365, 465, 497, 511, 651, 1065, 1085, 1095, 1491, 1533, 2201, 2263, 2485, 2555, 3255, 5183, 6603, 6789, 7455, 7665, 11005, 11315, 15407, 15549, 15841, 25915, 33015, 33945, 36281, 46221, 47523, 77035, 77745, 79205, 108843, 160673, 181405, 231105, 237615, 482019, 544215, 803365, 1124711, 2410095, 3374133, 5623555, 16870665]

約数ペア:

[(1, 16870665), (3, 5623555), (5, 3374133), (7, 2410095), (15, 1124711), (21, 803365), (31, 544215), (35, 482019), (71, 237615), (73, 231105), (93, 181405), (105, 160673), (155, 108843), (213, 79205), (217, 77745), (219, 77035), (355, 47523), (365, 46221), (465, 36281), (497, 33945), (511, 33015), (651, 25915), (1065, 15841), (1085, 15549), (1095, 15407), (1491, 11315), (1533, 11005), (2201, 7665), (2263, 7455), (2485, 6789), (2555, 6603), (3255, 5183)]