40980075

素因数分解:

$3^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{131}}^1$

素因数の和:284

約数の個数: 48

約数和(自身を含む): 70578816

約数和(自身を除く): 29598741

約数列:

[1, 3, 5, 15, 25, 43, 75, 97, 129, 131, 215, 291, 393, 485, 645, 655, 1075, 1455, 1965, 2425, 3225, 3275, 4171, 5633, 7275, 9825, 12513, 12707, 16899, 20855, 28165, 38121, 62565, 63535, 84495, 104275, 140825, 190605, 312825, 317675, 422475, 546401, 953025, 1639203, 2732005, 8196015, 13660025, 40980075]

約数ペア:

[(1, 40980075), (3, 13660025), (5, 8196015), (15, 2732005), (25, 1639203), (43, 953025), (75, 546401), (97, 422475), (129, 317675), (131, 312825), (215, 190605), (291, 140825), (393, 104275), (485, 84495), (645, 63535), (655, 62565), (1075, 38121), (1455, 28165), (1965, 20855), (2425, 16899), (3225, 12707), (3275, 12513), (4171, 9825), (5633, 7275)]