15749955

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{109}}^1$

素因数の和:165

約数の個数: 72

約数和(自身を含む): 31402800

約数和(自身を除く): 15652845

約数列:

[1, 3, 5, 9, 13, 15, 19, 39, 45, 57, 65, 95, 109, 117, 169, 171, 195, 247, 285, 327, 507, 545, 585, 741, 845, 855, 981, 1235, 1417, 1521, 1635, 2071, 2223, 2535, 3211, 3705, 4251, 4905, 6213, 7085, 7605, 9633, 10355, 11115, 12753, 16055, 18421, 18639, 21255, 26923, 28899, 31065, 48165, 55263, 63765, 80769, 92105, 93195, 134615, 144495, 165789, 242307, 276315, 349999, 403845, 828945, 1049997, 1211535, 1749995, 3149991, 5249985, 15749955]

約数ペア:

[(1, 15749955), (3, 5249985), (5, 3149991), (9, 1749995), (13, 1211535), (15, 1049997), (19, 828945), (39, 403845), (45, 349999), (57, 276315), (65, 242307), (95, 165789), (109, 144495), (117, 134615), (169, 93195), (171, 92105), (195, 80769), (247, 63765), (285, 55263), (327, 48165), (507, 31065), (545, 28899), (585, 26923), (741, 21255), (845, 18639), (855, 18421), (981, 16055), (1235, 12753), (1417, 11115), (1521, 10355), (1635, 9633), (2071, 7605), (2223, 7085), (2535, 6213), (3211, 4905), (3705, 4251)]