72867015

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{431}}^1$

素因数の和:489

約数の個数: 72

約数和(自身を含む): 144825408

約数和(自身を除く): 71958393

約数列:

[1, 3, 5, 9, 13, 15, 17, 39, 45, 51, 65, 85, 117, 153, 195, 221, 255, 289, 431, 585, 663, 765, 867, 1105, 1293, 1445, 1989, 2155, 2601, 3315, 3757, 3879, 4335, 5603, 6465, 7327, 9945, 11271, 13005, 16809, 18785, 19395, 21981, 28015, 33813, 36635, 50427, 56355, 65943, 84045, 95251, 109905, 124559, 169065, 252135, 285753, 329715, 373677, 476255, 622795, 857259, 1121031, 1428765, 1619267, 1868385, 4286295, 4857801, 5605155, 8096335, 14573403, 24289005, 72867015]

約数ペア:

[(1, 72867015), (3, 24289005), (5, 14573403), (9, 8096335), (13, 5605155), (15, 4857801), (17, 4286295), (39, 1868385), (45, 1619267), (51, 1428765), (65, 1121031), (85, 857259), (117, 622795), (153, 476255), (195, 373677), (221, 329715), (255, 285753), (289, 252135), (431, 169065), (585, 124559), (663, 109905), (765, 95251), (867, 84045), (1105, 65943), (1293, 56355), (1445, 50427), (1989, 36635), (2155, 33813), (2601, 28015), (3315, 21981), (3757, 19395), (3879, 18785), (4335, 16809), (5603, 13005), (6465, 11271), (7327, 9945)]