16147725

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{23}}^2\times {\mathrm{37}}^1$

素因数の和:107

約数の個数: 72

約数和(自身を含む): 31268832

約数和(自身を除く): 15121107

約数列:

[1, 3, 5, 11, 15, 23, 25, 33, 37, 55, 69, 75, 111, 115, 165, 185, 253, 275, 345, 407, 529, 555, 575, 759, 825, 851, 925, 1221, 1265, 1587, 1725, 2035, 2553, 2645, 2775, 3795, 4255, 5819, 6105, 6325, 7935, 9361, 10175, 12765, 13225, 17457, 18975, 19573, 21275, 28083, 29095, 30525, 39675, 46805, 58719, 63825, 87285, 97865, 140415, 145475, 215303, 234025, 293595, 436425, 489325, 645909, 702075, 1076515, 1467975, 3229545, 5382575, 16147725]

約数ペア:

[(1, 16147725), (3, 5382575), (5, 3229545), (11, 1467975), (15, 1076515), (23, 702075), (25, 645909), (33, 489325), (37, 436425), (55, 293595), (69, 234025), (75, 215303), (111, 145475), (115, 140415), (165, 97865), (185, 87285), (253, 63825), (275, 58719), (345, 46805), (407, 39675), (529, 30525), (555, 29095), (575, 28083), (759, 21275), (825, 19573), (851, 18975), (925, 17457), (1221, 13225), (1265, 12765), (1587, 10175), (1725, 9361), (2035, 7935), (2553, 6325), (2645, 6105), (2775, 5819), (3795, 4255)]