81737955

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{8219}}^1$

素因数の和:8260

約数の個数: 48

約数和(自身を含む): 161572320

約数和(自身を除く): 79834365

約数列:

[1, 3, 5, 9, 13, 15, 17, 39, 45, 51, 65, 85, 117, 153, 195, 221, 255, 585, 663, 765, 1105, 1989, 3315, 8219, 9945, 24657, 41095, 73971, 106847, 123285, 139723, 320541, 369855, 419169, 534235, 698615, 961623, 1257507, 1602705, 1816399, 2095845, 4808115, 5449197, 6287535, 9081995, 16347591, 27245985, 81737955]

約数ペア:

[(1, 81737955), (3, 27245985), (5, 16347591), (9, 9081995), (13, 6287535), (15, 5449197), (17, 4808115), (39, 2095845), (45, 1816399), (51, 1602705), (65, 1257507), (85, 961623), (117, 698615), (153, 534235), (195, 419169), (221, 369855), (255, 320541), (585, 139723), (663, 123285), (765, 106847), (1105, 73971), (1989, 41095), (3315, 24657), (8219, 9945)]