71573145

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{397}}^1$

素因数の和:530

約数の個数: 64

約数和(自身を含む): 140299776

約数和(自身を除く): 68726631

約数列:

[1, 3, 5, 7, 15, 17, 21, 35, 51, 85, 101, 105, 119, 255, 303, 357, 397, 505, 595, 707, 1191, 1515, 1717, 1785, 1985, 2121, 2779, 3535, 5151, 5955, 6749, 8337, 8585, 10605, 12019, 13895, 20247, 25755, 33745, 36057, 40097, 41685, 47243, 60095, 101235, 120291, 141729, 180285, 200485, 236215, 280679, 601455, 681649, 708645, 842037, 1403395, 2044947, 3408245, 4210185, 4771543, 10224735, 14314629, 23857715, 71573145]

約数ペア:

[(1, 71573145), (3, 23857715), (5, 14314629), (7, 10224735), (15, 4771543), (17, 4210185), (21, 3408245), (35, 2044947), (51, 1403395), (85, 842037), (101, 708645), (105, 681649), (119, 601455), (255, 280679), (303, 236215), (357, 200485), (397, 180285), (505, 141729), (595, 120291), (707, 101235), (1191, 60095), (1515, 47243), (1717, 41685), (1785, 40097), (1985, 36057), (2121, 33745), (2779, 25755), (3535, 20247), (5151, 13895), (5955, 12019), (6749, 10605), (8337, 8585)]