420778845

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{181}}^1\times {\mathrm{2719}}^1$

素因数の和:2930

約数の個数: 48

約数和(自身を含む): 772262400

約数和(自身を除く): 351483555

約数列:

[1, 3, 5, 9, 15, 19, 45, 57, 95, 171, 181, 285, 543, 855, 905, 1629, 2715, 2719, 3439, 8145, 8157, 10317, 13595, 17195, 24471, 30951, 40785, 51585, 51661, 122355, 154755, 154983, 258305, 464949, 492139, 774915, 1476417, 2324745, 2460695, 4429251, 7382085, 9350641, 22146255, 28051923, 46753205, 84155769, 140259615, 420778845]

約数ペア:

[(1, 420778845), (3, 140259615), (5, 84155769), (9, 46753205), (15, 28051923), (19, 22146255), (45, 9350641), (57, 7382085), (95, 4429251), (171, 2460695), (181, 2324745), (285, 1476417), (543, 774915), (855, 492139), (905, 464949), (1629, 258305), (2715, 154983), (2719, 154755), (3439, 122355), (8145, 51661), (8157, 51585), (10317, 40785), (13595, 30951), (17195, 24471)]