820433481

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{131}}^1\times {\mathrm{331}}^1$

素因数の和:542

約数の個数: 64

約数和(自身を含む): 1363101696

約数和(自身を除く): 542668215

約数列:

[1, 3, 7, 17, 21, 51, 53, 119, 131, 159, 331, 357, 371, 393, 901, 917, 993, 1113, 2227, 2317, 2703, 2751, 5627, 6307, 6681, 6943, 6951, 15589, 16881, 17543, 18921, 20829, 39389, 43361, 46767, 48601, 52629, 118031, 118167, 122801, 130083, 145803, 298231, 303527, 354093, 368403, 737137, 826217, 894693, 910581, 2087617, 2211411, 2298133, 2478651, 5159959, 6262851, 6894399, 15479877, 16086931, 39068261, 48260793, 117204783, 273477827, 820433481]

約数ペア:

[(1, 820433481), (3, 273477827), (7, 117204783), (17, 48260793), (21, 39068261), (51, 16086931), (53, 15479877), (119, 6894399), (131, 6262851), (159, 5159959), (331, 2478651), (357, 2298133), (371, 2211411), (393, 2087617), (901, 910581), (917, 894693), (993, 826217), (1113, 737137), (2227, 368403), (2317, 354093), (2703, 303527), (2751, 298231), (5627, 145803), (6307, 130083), (6681, 122801), (6943, 118167), (6951, 118031), (15589, 52629), (16881, 48601), (17543, 46767), (18921, 43361), (20829, 39389)]