71347725

素因数分解:

$3^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{811}}^1$

素因数の和:867

約数の個数: 72

約数和(自身を含む): 141365952

約数和(自身を除く): 70018227

約数列:

[1, 3, 5, 9, 15, 17, 23, 25, 45, 51, 69, 75, 85, 115, 153, 207, 225, 255, 345, 391, 425, 575, 765, 811, 1035, 1173, 1275, 1725, 1955, 2433, 3519, 3825, 4055, 5175, 5865, 7299, 9775, 12165, 13787, 17595, 18653, 20275, 29325, 36495, 41361, 55959, 60825, 68935, 87975, 93265, 124083, 167877, 182475, 206805, 279795, 317101, 344675, 466325, 620415, 839385, 951303, 1034025, 1398975, 1585505, 2853909, 3102075, 4196925, 4756515, 7927525, 14269545, 23782575, 71347725]

約数ペア:

[(1, 71347725), (3, 23782575), (5, 14269545), (9, 7927525), (15, 4756515), (17, 4196925), (23, 3102075), (25, 2853909), (45, 1585505), (51, 1398975), (69, 1034025), (75, 951303), (85, 839385), (115, 620415), (153, 466325), (207, 344675), (225, 317101), (255, 279795), (345, 206805), (391, 182475), (425, 167877), (575, 124083), (765, 93265), (811, 87975), (1035, 68935), (1173, 60825), (1275, 55959), (1725, 41361), (1955, 36495), (2433, 29325), (3519, 20275), (3825, 18653), (4055, 17595), (5175, 13787), (5865, 12165), (7299, 9775)]