39147813

素因数分解:

$3^3\times {\mathrm{37}}^1\times {\mathrm{149}}^1\times {\mathrm{263}}^1$

素因数の和:458

約数の個数: 32

約数和(自身を含む): 60192000

約数和(自身を除く): 21044187

約数列:

[1, 3, 9, 27, 37, 111, 149, 263, 333, 447, 789, 999, 1341, 2367, 4023, 5513, 7101, 9731, 16539, 29193, 39187, 49617, 87579, 117561, 148851, 262737, 352683, 1058049, 1449919, 4349757, 13049271, 39147813]

約数ペア:

[(1, 39147813), (3, 13049271), (9, 4349757), (27, 1449919), (37, 1058049), (111, 352683), (149, 262737), (263, 148851), (333, 117561), (447, 87579), (789, 49617), (999, 39187), (1341, 29193), (2367, 16539), (4023, 9731), (5513, 7101)]