1961941995

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{887}}^1$

素因数の和:1129

約数の個数: 96

約数和(自身を含む): 3878784000

約数和(自身を除く): 1916842005

約数列:

[1, 3, 5, 9, 13, 15, 19, 39, 45, 57, 65, 95, 117, 171, 195, 199, 247, 285, 585, 597, 741, 855, 887, 995, 1235, 1791, 2223, 2587, 2661, 2985, 3705, 3781, 4435, 7761, 7983, 8955, 11115, 11343, 11531, 12935, 13305, 16853, 18905, 23283, 34029, 34593, 38805, 39915, 49153, 50559, 56715, 57655, 84265, 103779, 116415, 147459, 151677, 170145, 172965, 176513, 219089, 245765, 252795, 442377, 518895, 529539, 657267, 737295, 758385, 882565, 1095445, 1588617, 1971801, 2211885, 2294669, 2647695, 3286335, 3353747, 6884007, 7943085, 9859005, 10061241, 11473345, 16768735, 20652021, 30183723, 34420035, 43598711, 50306205, 103260105, 130796133, 150918615, 217993555, 392388399, 653980665, 1961941995]

約数ペア:

[(1, 1961941995), (3, 653980665), (5, 392388399), (9, 217993555), (13, 150918615), (15, 130796133), (19, 103260105), (39, 50306205), (45, 43598711), (57, 34420035), (65, 30183723), (95, 20652021), (117, 16768735), (171, 11473345), (195, 10061241), (199, 9859005), (247, 7943085), (285, 6884007), (585, 3353747), (597, 3286335), (741, 2647695), (855, 2294669), (887, 2211885), (995, 1971801), (1235, 1588617), (1791, 1095445), (2223, 882565), (2587, 758385), (2661, 737295), (2985, 657267), (3705, 529539), (3781, 518895), (4435, 442377), (7761, 252795), (7983, 245765), (8955, 219089), (11115, 176513), (11343, 172965), (11531, 170145), (12935, 151677), (13305, 147459), (16853, 116415), (18905, 103779), (23283, 84265), (34029, 57655), (34593, 56715), (38805, 50559), (39915, 49153)]