42841071

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{181}}^1$

素因数の和:241

約数の個数: 72

約数和(自身を含む): 81352544

約数和(自身を除く): 38511473

約数列:

[1, 3, 7, 9, 13, 17, 21, 39, 51, 63, 91, 117, 119, 153, 181, 221, 273, 289, 357, 543, 663, 819, 867, 1071, 1267, 1547, 1629, 1989, 2023, 2353, 2601, 3077, 3757, 3801, 4641, 6069, 7059, 9231, 11271, 11403, 13923, 16471, 18207, 21177, 21539, 26299, 27693, 33813, 40001, 49413, 52309, 64617, 78897, 120003, 148239, 156927, 193851, 236691, 280007, 360009, 366163, 470781, 680017, 840021, 1098489, 2040051, 2520063, 3295467, 4760119, 6120153, 14280357, 42841071]

約数ペア:

[(1, 42841071), (3, 14280357), (7, 6120153), (9, 4760119), (13, 3295467), (17, 2520063), (21, 2040051), (39, 1098489), (51, 840021), (63, 680017), (91, 470781), (117, 366163), (119, 360009), (153, 280007), (181, 236691), (221, 193851), (273, 156927), (289, 148239), (357, 120003), (543, 78897), (663, 64617), (819, 52309), (867, 49413), (1071, 40001), (1267, 33813), (1547, 27693), (1629, 26299), (1989, 21539), (2023, 21177), (2353, 18207), (2601, 16471), (3077, 13923), (3757, 11403), (3801, 11271), (4641, 9231), (6069, 7059)]