40383975

素因数分解:

$3^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{571}}^1$

素因数の和:648

約数の個数: 48

約数和(自身を含む): 71495424

約数和(自身を除く): 31111449

約数列:

[1, 3, 5, 15, 23, 25, 41, 69, 75, 115, 123, 205, 345, 571, 575, 615, 943, 1025, 1713, 1725, 2829, 2855, 3075, 4715, 8565, 13133, 14145, 14275, 23411, 23575, 39399, 42825, 65665, 70233, 70725, 117055, 196995, 328325, 351165, 538453, 585275, 984975, 1615359, 1755825, 2692265, 8076795, 13461325, 40383975]

約数ペア:

[(1, 40383975), (3, 13461325), (5, 8076795), (15, 2692265), (23, 1755825), (25, 1615359), (41, 984975), (69, 585275), (75, 538453), (115, 351165), (123, 328325), (205, 196995), (345, 117055), (571, 70725), (575, 70233), (615, 65665), (943, 42825), (1025, 39399), (1713, 23575), (1725, 23411), (2829, 14275), (2855, 14145), (3075, 13133), (4715, 8565)]