31349175

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1$

素因数の和:153

約数の個数: 96

約数和(自身を含む): 63329280

約数和(自身を除く): 31980105

約数列:

[1, 3, 5, 11, 13, 15, 25, 33, 37, 39, 55, 65, 75, 79, 111, 143, 165, 185, 195, 237, 275, 325, 395, 407, 429, 481, 555, 715, 825, 869, 925, 975, 1027, 1185, 1221, 1443, 1975, 2035, 2145, 2405, 2607, 2775, 2923, 3081, 3575, 4345, 5135, 5291, 5925, 6105, 7215, 8769, 10175, 10725, 11297, 12025, 13035, 14615, 15405, 15873, 21725, 25675, 26455, 30525, 32153, 33891, 36075, 37999, 43845, 56485, 65175, 73075, 77025, 79365, 96459, 113997, 132275, 160765, 169455, 189995, 219225, 282425, 396825, 417989, 482295, 569985, 803825, 847275, 949975, 1253967, 2089945, 2411475, 2849925, 6269835, 10449725, 31349175]

約数ペア:

[(1, 31349175), (3, 10449725), (5, 6269835), (11, 2849925), (13, 2411475), (15, 2089945), (25, 1253967), (33, 949975), (37, 847275), (39, 803825), (55, 569985), (65, 482295), (75, 417989), (79, 396825), (111, 282425), (143, 219225), (165, 189995), (185, 169455), (195, 160765), (237, 132275), (275, 113997), (325, 96459), (395, 79365), (407, 77025), (429, 73075), (481, 65175), (555, 56485), (715, 43845), (825, 37999), (869, 36075), (925, 33891), (975, 32153), (1027, 30525), (1185, 26455), (1221, 25675), (1443, 21725), (1975, 15873), (2035, 15405), (2145, 14615), (2405, 13035), (2607, 12025), (2775, 11297), (2923, 10725), (3081, 10175), (3575, 8769), (4345, 7215), (5135, 6105), (5291, 5925)]