16780725

素因数分解:

$3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{5737}}^1$

素因数の和:5766

約数の個数: 36

約数和(自身を含む): 32373796

約数和(自身を除く): 15593071

約数列:

[1, 3, 5, 9, 13, 15, 25, 39, 45, 65, 75, 117, 195, 225, 325, 585, 975, 2925, 5737, 17211, 28685, 51633, 74581, 86055, 143425, 223743, 258165, 372905, 430275, 671229, 1118715, 1290825, 1864525, 3356145, 5593575, 16780725]

約数ペア:

[(1, 16780725), (3, 5593575), (5, 3356145), (9, 1864525), (13, 1290825), (15, 1118715), (25, 671229), (39, 430275), (45, 372905), (65, 258165), (75, 223743), (117, 143425), (195, 86055), (225, 74581), (325, 51633), (585, 28685), (975, 17211), (2925, 5737)]