1621746

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{211}}^1$

素因数の和:287

約数の個数: 48

約数和(自身を含む): 4100928

約数和(自身を除く): 2479182

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 61, 63, 122, 126, 183, 211, 366, 422, 427, 549, 633, 854, 1098, 1266, 1281, 1477, 1899, 2562, 2954, 3798, 3843, 4431, 7686, 8862, 12871, 13293, 25742, 26586, 38613, 77226, 90097, 115839, 180194, 231678, 270291, 540582, 810873, 1621746]

約数ペア:

[(1, 1621746), (2, 810873), (3, 540582), (6, 270291), (7, 231678), (9, 180194), (14, 115839), (18, 90097), (21, 77226), (42, 38613), (61, 26586), (63, 25742), (122, 13293), (126, 12871), (183, 8862), (211, 7686), (366, 4431), (422, 3843), (427, 3798), (549, 2954), (633, 2562), (854, 1899), (1098, 1477), (1266, 1281)]