240135987

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{71}}^1\times {\mathrm{953}}^1$

素因数の和:1060

約数の個数: 48

約数和(自身を含む): 402236928

約数和(自身を除く): 162100941

約数列:

[1, 3, 7, 13, 21, 39, 71, 91, 169, 213, 273, 497, 507, 923, 953, 1183, 1491, 2769, 2859, 3549, 6461, 6671, 11999, 12389, 19383, 20013, 35997, 37167, 67663, 83993, 86723, 161057, 202989, 251979, 260169, 473641, 483171, 879619, 1127399, 1420923, 2638857, 3382197, 6157333, 11435047, 18471999, 34305141, 80045329, 240135987]

約数ペア:

[(1, 240135987), (3, 80045329), (7, 34305141), (13, 18471999), (21, 11435047), (39, 6157333), (71, 3382197), (91, 2638857), (169, 1420923), (213, 1127399), (273, 879619), (497, 483171), (507, 473641), (923, 260169), (953, 251979), (1183, 202989), (1491, 161057), (2769, 86723), (2859, 83993), (3549, 67663), (6461, 37167), (6671, 35997), (11999, 20013), (12389, 19383)]