16558275

素因数分解:

$3^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{331}}^1$

素因数の和:396

約数の個数: 48

約数和(自身を含む): 29640960

約数和(自身を除く): 13082685

約数列:

[1, 3, 5, 15, 23, 25, 29, 69, 75, 87, 115, 145, 331, 345, 435, 575, 667, 725, 993, 1655, 1725, 2001, 2175, 3335, 4965, 7613, 8275, 9599, 10005, 16675, 22839, 24825, 28797, 38065, 47995, 50025, 114195, 143985, 190325, 220777, 239975, 570975, 662331, 719925, 1103885, 3311655, 5519425, 16558275]

約数ペア:

[(1, 16558275), (3, 5519425), (5, 3311655), (15, 1103885), (23, 719925), (25, 662331), (29, 570975), (69, 239975), (75, 220777), (87, 190325), (115, 143985), (145, 114195), (331, 50025), (345, 47995), (435, 38065), (575, 28797), (667, 24825), (725, 22839), (993, 16675), (1655, 10005), (1725, 9599), (2001, 8275), (2175, 7613), (3335, 4965)]