15978186

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{211}}^1\times {\mathrm{601}}^1$

素因数の和:827

約数の個数: 48

約数和(自身を含む): 39818688

約数和(自身を除く): 23840502

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 211, 422, 601, 633, 1202, 1266, 1477, 1803, 1899, 2954, 3606, 3798, 4207, 4431, 5409, 8414, 8862, 10818, 12621, 13293, 25242, 26586, 37863, 75726, 126811, 253622, 380433, 760866, 887677, 1141299, 1775354, 2282598, 2663031, 5326062, 7989093, 15978186]

約数ペア:

[(1, 15978186), (2, 7989093), (3, 5326062), (6, 2663031), (7, 2282598), (9, 1775354), (14, 1141299), (18, 887677), (21, 760866), (42, 380433), (63, 253622), (126, 126811), (211, 75726), (422, 37863), (601, 26586), (633, 25242), (1202, 13293), (1266, 12621), (1477, 10818), (1803, 8862), (1899, 8414), (2954, 5409), (3606, 4431), (3798, 4207)]