71842545

素因数分解:

$3^4\times 5^1\times {\mathrm{179}}^1\times {\mathrm{991}}^1$

素因数の和:1187

約数の個数: 40

約数和(自身を含む): 129634560

約数和(自身を除く): 57792015

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 179, 405, 537, 895, 991, 1611, 2685, 2973, 4833, 4955, 8055, 8919, 14499, 14865, 24165, 26757, 44595, 72495, 80271, 133785, 177389, 401355, 532167, 886945, 1596501, 2660835, 4789503, 7982505, 14368509, 23947515, 71842545]

約数ペア:

[(1, 71842545), (3, 23947515), (5, 14368509), (9, 7982505), (15, 4789503), (27, 2660835), (45, 1596501), (81, 886945), (135, 532167), (179, 401355), (405, 177389), (537, 133785), (895, 80271), (991, 72495), (1611, 44595), (2685, 26757), (2973, 24165), (4833, 14865), (4955, 14499), (8055, 8919)]