16938075

素因数分解:

$3^1\times 5^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{419}}^1$

素因数の和:457

約数の個数: 72

約数和(自身を含む): 35622720

約数和(自身を除く): 18684645

約数列:

[1, 3, 5, 7, 11, 15, 21, 25, 33, 35, 49, 55, 75, 77, 105, 147, 165, 175, 231, 245, 275, 385, 419, 525, 539, 735, 825, 1155, 1225, 1257, 1617, 1925, 2095, 2695, 2933, 3675, 4609, 5775, 6285, 8085, 8799, 10475, 13475, 13827, 14665, 20531, 23045, 31425, 32263, 40425, 43995, 61593, 69135, 73325, 96789, 102655, 115225, 161315, 219975, 225841, 307965, 345675, 483945, 513275, 677523, 806575, 1129205, 1539825, 2419725, 3387615, 5646025, 16938075]

約数ペア:

[(1, 16938075), (3, 5646025), (5, 3387615), (7, 2419725), (11, 1539825), (15, 1129205), (21, 806575), (25, 677523), (33, 513275), (35, 483945), (49, 345675), (55, 307965), (75, 225841), (77, 219975), (105, 161315), (147, 115225), (165, 102655), (175, 96789), (231, 73325), (245, 69135), (275, 61593), (385, 43995), (419, 40425), (525, 32263), (539, 31425), (735, 23045), (825, 20531), (1155, 14665), (1225, 13827), (1257, 13475), (1617, 10475), (1925, 8799), (2095, 8085), (2695, 6285), (2933, 5775), (3675, 4609)]