287691885

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{163927}}^1$

素因数の和:163954

約数の個数: 32

約数和(自身を含む): 550798080

約数和(自身を除く): 263106195

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 65, 117, 135, 195, 351, 585, 1755, 163927, 491781, 819635, 1475343, 2131051, 2458905, 4426029, 6393153, 7376715, 10655255, 19179459, 22130145, 31965765, 57538377, 95897295, 287691885]

約数ペア:

[(1, 287691885), (3, 95897295), (5, 57538377), (9, 31965765), (13, 22130145), (15, 19179459), (27, 10655255), (39, 7376715), (45, 6393153), (65, 4426029), (117, 2458905), (135, 2131051), (195, 1475343), (351, 819635), (585, 491781), (1755, 163927)]