145802097

素因数分解:

$3^2\times 7^3\times {\mathrm{73}}^1\times {\mathrm{647}}^1$

素因数の和:747

約数の個数: 48

約数和(自身を含む): 249350400

約数和(自身を除く): 103548303

約数列:

[1, 3, 7, 9, 21, 49, 63, 73, 147, 219, 343, 441, 511, 647, 657, 1029, 1533, 1941, 3087, 3577, 4529, 4599, 5823, 10731, 13587, 25039, 31703, 32193, 40761, 47231, 75117, 95109, 141693, 221921, 225351, 285327, 330617, 425079, 665763, 991851, 1997289, 2314319, 2975553, 6942957, 16200233, 20828871, 48600699, 145802097]

約数ペア:

[(1, 145802097), (3, 48600699), (7, 20828871), (9, 16200233), (21, 6942957), (49, 2975553), (63, 2314319), (73, 1997289), (147, 991851), (219, 665763), (343, 425079), (441, 330617), (511, 285327), (647, 225351), (657, 221921), (1029, 141693), (1533, 95109), (1941, 75117), (3087, 47231), (3577, 40761), (4529, 32193), (4599, 31703), (5823, 25039), (10731, 13587)]