1261566171

素因数分解:

$3^4\times {\mathrm{37}}^1\times {\mathrm{509}}^1\times {\mathrm{827}}^1$

素因数の和:1385

約数の個数: 40

約数和(自身を含む): 1941643440

約数和(自身を除く): 680077269

約数列:

[1, 3, 9, 27, 37, 81, 111, 333, 509, 827, 999, 1527, 2481, 2997, 4581, 7443, 13743, 18833, 22329, 30599, 41229, 56499, 66987, 91797, 169497, 275391, 420943, 508491, 826173, 1262829, 1525473, 2478519, 3788487, 11365461, 15574891, 34096383, 46724673, 140174019, 420522057, 1261566171]

約数ペア:

[(1, 1261566171), (3, 420522057), (9, 140174019), (27, 46724673), (37, 34096383), (81, 15574891), (111, 11365461), (333, 3788487), (509, 2478519), (827, 1525473), (999, 1262829), (1527, 826173), (2481, 508491), (2997, 420943), (4581, 275391), (7443, 169497), (13743, 91797), (18833, 66987), (22329, 56499), (30599, 41229)]