987605865

素因数分解:

$3^4\times 5^1\times {\mathrm{1039}}^1\times {\mathrm{2347}}^1$

素因数の和:3403

約数の個数: 40

約数和(自身を含む): 1772833920

約数和(自身を除く): 785228055

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 1039, 2347, 3117, 5195, 7041, 9351, 11735, 15585, 21123, 28053, 35205, 46755, 63369, 84159, 105615, 140265, 190107, 316845, 420795, 950535, 2438533, 7315599, 12192665, 21946797, 36577995, 65840391, 109733985, 197521173, 329201955, 987605865]

約数ペア:

[(1, 987605865), (3, 329201955), (5, 197521173), (9, 109733985), (15, 65840391), (27, 36577995), (45, 21946797), (81, 12192665), (135, 7315599), (405, 2438533), (1039, 950535), (2347, 420795), (3117, 316845), (5195, 190107), (7041, 140265), (9351, 105615), (11735, 84159), (15585, 63369), (21123, 46755), (28053, 35205)]