71999415

素因数分解:

$3^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{157}}^1$

素因数の和:293

約数の個数: 64

約数和(自身を含む): 133478400

約数和(自身を除く): 61478985

約数列:

[1, 3, 5, 9, 15, 27, 43, 45, 79, 129, 135, 157, 215, 237, 387, 395, 471, 645, 711, 785, 1161, 1185, 1413, 1935, 2133, 2355, 3397, 3555, 4239, 5805, 6751, 7065, 10191, 10665, 12403, 16985, 20253, 21195, 30573, 33755, 37209, 50955, 60759, 62015, 91719, 101265, 111627, 152865, 182277, 186045, 303795, 334881, 458595, 533329, 558135, 911385, 1599987, 1674405, 2666645, 4799961, 7999935, 14399883, 23999805, 71999415]

約数ペア:

[(1, 71999415), (3, 23999805), (5, 14399883), (9, 7999935), (15, 4799961), (27, 2666645), (43, 1674405), (45, 1599987), (79, 911385), (129, 558135), (135, 533329), (157, 458595), (215, 334881), (237, 303795), (387, 186045), (395, 182277), (471, 152865), (645, 111627), (711, 101265), (785, 91719), (1161, 62015), (1185, 60759), (1413, 50955), (1935, 37209), (2133, 33755), (2355, 30573), (3397, 21195), (3555, 20253), (4239, 16985), (5805, 12403), (6751, 10665), (7065, 10191)]