1961730

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{307}}^1$

素因数の和:391

約数の個数: 48

約数和(自身を含む): 5189184

約数和(自身を除く): 3227454

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 71, 90, 142, 213, 307, 355, 426, 614, 639, 710, 921, 1065, 1278, 1535, 1842, 2130, 2763, 3070, 3195, 4605, 5526, 6390, 9210, 13815, 21797, 27630, 43594, 65391, 108985, 130782, 196173, 217970, 326955, 392346, 653910, 980865, 1961730]

約数ペア:

[(1, 1961730), (2, 980865), (3, 653910), (5, 392346), (6, 326955), (9, 217970), (10, 196173), (15, 130782), (18, 108985), (30, 65391), (45, 43594), (71, 27630), (90, 21797), (142, 13815), (213, 9210), (307, 6390), (355, 5526), (426, 4605), (614, 3195), (639, 3070), (710, 2763), (921, 2130), (1065, 1842), (1278, 1535)]