3943355

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1$

素因数の和:171

約数の個数: 32

約数和(自身を含む): 5591040

約数和(自身を除く): 1647685

約数列:

[1, 5, 13, 19, 31, 65, 95, 103, 155, 247, 403, 515, 589, 1235, 1339, 1957, 2015, 2945, 3193, 6695, 7657, 9785, 15965, 25441, 38285, 41509, 60667, 127205, 207545, 303335, 788671, 3943355]

約数ペア:

[(1, 3943355), (5, 788671), (13, 303335), (19, 207545), (31, 127205), (65, 60667), (95, 41509), (103, 38285), (155, 25441), (247, 15965), (403, 9785), (515, 7657), (589, 6695), (1235, 3193), (1339, 2945), (1957, 2015)]