81251898

素因数分解:

$2^1\times 3^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{3037}}^1$

素因数の和:3076

約数の個数: 64

約数和(自身を含む): 204153600

約数和(自身を除く): 122901702

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 49, 78, 91, 98, 147, 182, 273, 294, 343, 546, 637, 686, 1029, 1274, 1911, 2058, 3037, 3822, 4459, 6074, 8918, 9111, 13377, 18222, 21259, 26754, 39481, 42518, 63777, 78962, 118443, 127554, 148813, 236886, 276367, 297626, 446439, 552734, 829101, 892878, 1041691, 1658202, 1934569, 2083382, 3125073, 3869138, 5803707, 6250146, 11607414, 13541983, 27083966, 40625949, 81251898]

約数ペア:

[(1, 81251898), (2, 40625949), (3, 27083966), (6, 13541983), (7, 11607414), (13, 6250146), (14, 5803707), (21, 3869138), (26, 3125073), (39, 2083382), (42, 1934569), (49, 1658202), (78, 1041691), (91, 892878), (98, 829101), (147, 552734), (182, 446439), (273, 297626), (294, 276367), (343, 236886), (546, 148813), (637, 127554), (686, 118443), (1029, 78962), (1274, 63777), (1911, 42518), (2058, 39481), (3037, 26754), (3822, 21259), (4459, 18222), (6074, 13377), (8918, 9111)]