858555831

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{109}}^1\times {\mathrm{1039}}^1$

素因数の和:1196

約数の個数: 48

約数和(自身を含む): 1394764800

約数和(自身を除く): 536208969

約数列:

[1, 3, 7, 19, 21, 57, 109, 133, 327, 361, 399, 763, 1039, 1083, 2071, 2289, 2527, 3117, 6213, 7273, 7581, 14497, 19741, 21819, 39349, 43491, 59223, 113251, 118047, 138187, 275443, 339753, 375079, 414561, 792757, 826329, 1125237, 2151769, 2378271, 2625553, 6455307, 7876659, 15062383, 40883611, 45187149, 122650833, 286185277, 858555831]

約数ペア:

[(1, 858555831), (3, 286185277), (7, 122650833), (19, 45187149), (21, 40883611), (57, 15062383), (109, 7876659), (133, 6455307), (327, 2625553), (361, 2378271), (399, 2151769), (763, 1125237), (1039, 826329), (1083, 792757), (2071, 414561), (2289, 375079), (2527, 339753), (3117, 275443), (6213, 138187), (7273, 118047), (7581, 113251), (14497, 59223), (19741, 43491), (21819, 39349)]