156520107

素因数分解:

$3^4\times {\mathrm{67}}^1\times {\mathrm{151}}^1\times {\mathrm{191}}^1$

素因数の和:421

約数の個数: 40

約数和(自身を含む): 240125952

約数和(自身を除く): 83605845

約数列:

[1, 3, 9, 27, 67, 81, 151, 191, 201, 453, 573, 603, 1359, 1719, 1809, 4077, 5157, 5427, 10117, 12231, 12797, 15471, 28841, 30351, 38391, 86523, 91053, 115173, 259569, 273159, 345519, 778707, 819477, 1036557, 1932347, 2336121, 5797041, 17391123, 52173369, 156520107]

約数ペア:

[(1, 156520107), (3, 52173369), (9, 17391123), (27, 5797041), (67, 2336121), (81, 1932347), (151, 1036557), (191, 819477), (201, 778707), (453, 345519), (573, 273159), (603, 259569), (1359, 115173), (1719, 91053), (1809, 86523), (4077, 38391), (5157, 30351), (5427, 28841), (10117, 15471), (12231, 12797)]