16648425

素因数分解:

$3^2\times 5^2\times {\mathrm{61}}^1\times {\mathrm{1213}}^1$

素因数の和:1290

約数の個数: 36

約数和(自身を含む): 30333004

約数和(自身を除く): 13684579

約数列:

[1, 3, 5, 9, 15, 25, 45, 61, 75, 183, 225, 305, 549, 915, 1213, 1525, 2745, 3639, 4575, 6065, 10917, 13725, 18195, 30325, 54585, 73993, 90975, 221979, 272925, 369965, 665937, 1109895, 1849825, 3329685, 5549475, 16648425]

約数ペア:

[(1, 16648425), (3, 5549475), (5, 3329685), (9, 1849825), (15, 1109895), (25, 665937), (45, 369965), (61, 272925), (75, 221979), (183, 90975), (225, 73993), (305, 54585), (549, 30325), (915, 18195), (1213, 13725), (1525, 10917), (2745, 6065), (3639, 4575)]