16401375

素因数分解:

$3^2\times 5^3\times {\mathrm{61}}^1\times {\mathrm{239}}^1$

素因数の和:321

約数の個数: 48

約数和(自身を含む): 30176640

約数和(自身を除く): 13775265

約数列:

[1, 3, 5, 9, 15, 25, 45, 61, 75, 125, 183, 225, 239, 305, 375, 549, 717, 915, 1125, 1195, 1525, 2151, 2745, 3585, 4575, 5975, 7625, 10755, 13725, 14579, 17925, 22875, 29875, 43737, 53775, 68625, 72895, 89625, 131211, 218685, 268875, 364475, 656055, 1093425, 1822375, 3280275, 5467125, 16401375]

約数ペア:

[(1, 16401375), (3, 5467125), (5, 3280275), (9, 1822375), (15, 1093425), (25, 656055), (45, 364475), (61, 268875), (75, 218685), (125, 131211), (183, 89625), (225, 72895), (239, 68625), (305, 53775), (375, 43737), (549, 29875), (717, 22875), (915, 17925), (1125, 14579), (1195, 13725), (1525, 10755), (2151, 7625), (2745, 5975), (3585, 4575)]