313781937

素因数分解:

$3^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{307}}^1\times {\mathrm{409}}^1$

素因数の和:750

約数の個数: 48

約数和(自身を含む): 518253120

約数和(自身を除く): 204471183

約数列:

[1, 3, 7, 17, 21, 49, 51, 119, 147, 307, 357, 409, 833, 921, 1227, 2149, 2499, 2863, 5219, 6447, 6953, 8589, 15043, 15657, 20041, 20859, 36533, 45129, 48671, 60123, 109599, 125563, 146013, 255731, 340697, 376689, 767193, 878941, 1022091, 2134571, 2636823, 6152587, 6403713, 14941997, 18457761, 44825991, 104593979, 313781937]

約数ペア:

[(1, 313781937), (3, 104593979), (7, 44825991), (17, 18457761), (21, 14941997), (49, 6403713), (51, 6152587), (119, 2636823), (147, 2134571), (307, 1022091), (357, 878941), (409, 767193), (833, 376689), (921, 340697), (1227, 255731), (2149, 146013), (2499, 125563), (2863, 109599), (5219, 60123), (6447, 48671), (6953, 45129), (8589, 36533), (15043, 20859), (15657, 20041)]