42720642

素因数分解:

$2^1\times 3^3\times {\mathrm{157}}^1\times {\mathrm{5039}}^1$

素因数の和:5207

約数の個数: 32

約数和(自身を含む): 95558400

約数和(自身を除く): 52837758

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 157, 314, 471, 942, 1413, 2826, 4239, 5039, 8478, 10078, 15117, 30234, 45351, 90702, 136053, 272106, 791123, 1582246, 2373369, 4746738, 7120107, 14240214, 21360321, 42720642]

約数ペア:

[(1, 42720642), (2, 21360321), (3, 14240214), (6, 7120107), (9, 4746738), (18, 2373369), (27, 1582246), (54, 791123), (157, 272106), (314, 136053), (471, 90702), (942, 45351), (1413, 30234), (2826, 15117), (4239, 10078), (5039, 8478)]