64261995

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{43}}^2\times {\mathrm{331}}^1$

素因数の和:432

約数の個数: 48

約数和(自身を含む): 120667392

約数和(自身を除く): 56405397

約数列:

[1, 3, 5, 7, 15, 21, 35, 43, 105, 129, 215, 301, 331, 645, 903, 993, 1505, 1655, 1849, 2317, 4515, 4965, 5547, 6951, 9245, 11585, 12943, 14233, 27735, 34755, 38829, 42699, 64715, 71165, 99631, 194145, 213495, 298893, 498155, 612019, 1494465, 1836057, 3060095, 4284133, 9180285, 12852399, 21420665, 64261995]

約数ペア:

[(1, 64261995), (3, 21420665), (5, 12852399), (7, 9180285), (15, 4284133), (21, 3060095), (35, 1836057), (43, 1494465), (105, 612019), (129, 498155), (215, 298893), (301, 213495), (331, 194145), (645, 99631), (903, 71165), (993, 64715), (1505, 42699), (1655, 38829), (1849, 34755), (2317, 27735), (4515, 14233), (4965, 12943), (5547, 11585), (6951, 9245)]