490203

素因数分解:

$3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{251}}^1$

素因数の和:295

約数の個数: 24

約数和(自身を含む): 838656

約数和(自身を除く): 348453

約数列:

[1, 3, 7, 9, 21, 31, 63, 93, 217, 251, 279, 651, 753, 1757, 1953, 2259, 5271, 7781, 15813, 23343, 54467, 70029, 163401, 490203]

約数ペア:

[(1, 490203), (3, 163401), (7, 70029), (9, 54467), (21, 23343), (31, 15813), (63, 7781), (93, 5271), (217, 2259), (251, 1953), (279, 1757), (651, 753)]