2021808747

素因数分解:

$3^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{15299}}^1$

素因数の和:15376

約数の個数: 48

約数和(自身を含む): 3348864000

約数和(自身を除く): 1327055253

約数列:

[1, 3, 7, 21, 29, 31, 49, 87, 93, 147, 203, 217, 609, 651, 899, 1421, 1519, 2697, 4263, 4557, 6293, 15299, 18879, 44051, 45897, 107093, 132153, 321279, 443671, 474269, 749651, 1331013, 1422807, 2248953, 3105697, 3319883, 9317091, 9959649, 13753801, 21739879, 23239181, 41261403, 65219637, 69717543, 96276607, 288829821, 673936249, 2021808747]

約数ペア:

[(1, 2021808747), (3, 673936249), (7, 288829821), (21, 96276607), (29, 69717543), (31, 65219637), (49, 41261403), (87, 23239181), (93, 21739879), (147, 13753801), (203, 9959649), (217, 9317091), (609, 3319883), (651, 3105697), (899, 2248953), (1421, 1422807), (1519, 1331013), (2697, 749651), (4263, 474269), (4557, 443671), (6293, 321279), (15299, 132153), (18879, 107093), (44051, 45897)]