1857365325

素因数分解:

$3^2\times 5^2\times {\mathrm{71}}^1\times {\mathrm{233}}^1\times {\mathrm{499}}^1$

素因数の和:819

約数の個数: 72

約数和(自身を含む): 3394872000

約数和(自身を除く): 1537506675

約数列:

[1, 3, 5, 9, 15, 25, 45, 71, 75, 213, 225, 233, 355, 499, 639, 699, 1065, 1165, 1497, 1775, 2097, 2495, 3195, 3495, 4491, 5325, 5825, 7485, 10485, 12475, 15975, 16543, 17475, 22455, 35429, 37425, 49629, 52425, 82715, 106287, 112275, 116267, 148887, 177145, 248145, 318861, 348801, 413575, 531435, 581335, 744435, 885725, 1046403, 1240725, 1594305, 1744005, 2657175, 2906675, 3722175, 5232015, 7971525, 8254957, 8720025, 24764871, 26160075, 41274785, 74294613, 123824355, 206373925, 371473065, 619121775, 1857365325]

約数ペア:

[(1, 1857365325), (3, 619121775), (5, 371473065), (9, 206373925), (15, 123824355), (25, 74294613), (45, 41274785), (71, 26160075), (75, 24764871), (213, 8720025), (225, 8254957), (233, 7971525), (355, 5232015), (499, 3722175), (639, 2906675), (699, 2657175), (1065, 1744005), (1165, 1594305), (1497, 1240725), (1775, 1046403), (2097, 885725), (2495, 744435), (3195, 581335), (3495, 531435), (4491, 413575), (5325, 348801), (5825, 318861), (7485, 248145), (10485, 177145), (12475, 148887), (15975, 116267), (16543, 112275), (17475, 106287), (22455, 82715), (35429, 52425), (37425, 49629)]