39975615

素因数分解:

$3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{461}}^1$

素因数の和:560

約数の個数: 48

約数和(自身を含む): 72648576

約数和(自身を除く): 32672961

約数列:

[1, 3, 5, 9, 15, 41, 45, 47, 123, 141, 205, 235, 369, 423, 461, 615, 705, 1383, 1845, 1927, 2115, 2305, 4149, 5781, 6915, 9635, 17343, 18901, 20745, 21667, 28905, 56703, 65001, 86715, 94505, 108335, 170109, 195003, 283515, 325005, 850545, 888347, 975015, 2665041, 4441735, 7995123, 13325205, 39975615]

約数ペア:

[(1, 39975615), (3, 13325205), (5, 7995123), (9, 4441735), (15, 2665041), (41, 975015), (45, 888347), (47, 850545), (123, 325005), (141, 283515), (205, 195003), (235, 170109), (369, 108335), (423, 94505), (461, 86715), (615, 65001), (705, 56703), (1383, 28905), (1845, 21667), (1927, 20745), (2115, 18901), (2305, 17343), (4149, 9635), (5781, 6915)]