20210798619

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{75527}}^1$

素因数の和:75617

約数の個数: 64

約数和(自身を含む): 35238343680

約数和(自身を除く): 15027545061

約数列:

[1, 3, 9, 11, 17, 27, 33, 51, 53, 99, 153, 159, 187, 297, 459, 477, 561, 583, 901, 1431, 1683, 1749, 2703, 5049, 5247, 8109, 9911, 15741, 24327, 29733, 75527, 89199, 226581, 267597, 679743, 830797, 1283959, 2039229, 2492391, 3851877, 4002931, 7477173, 11555631, 12008793, 14123549, 22431519, 34666893, 36026379, 42370647, 44032241, 68049827, 108079137, 127111941, 132096723, 204149481, 381335823, 396290169, 612448443, 748548097, 1188870507, 1837345329, 2245644291, 6736932873, 20210798619]

約数ペア:

[(1, 20210798619), (3, 6736932873), (9, 2245644291), (11, 1837345329), (17, 1188870507), (27, 748548097), (33, 612448443), (51, 396290169), (53, 381335823), (99, 204149481), (153, 132096723), (159, 127111941), (187, 108079137), (297, 68049827), (459, 44032241), (477, 42370647), (561, 36026379), (583, 34666893), (901, 22431519), (1431, 14123549), (1683, 12008793), (1749, 11555631), (2703, 7477173), (5049, 4002931), (5247, 3851877), (8109, 2492391), (9911, 2039229), (15741, 1283959), (24327, 830797), (29733, 679743), (75527, 267597), (89199, 226581)]