391936995

素因数分解:

$3^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{223}}^1\times {\mathrm{277}}^1$

素因数の和:561

約数の個数: 64

約数和(自身を含む): 717373440

約数和(自身を除く): 325436445

約数列:

[1, 3, 5, 9, 15, 27, 45, 47, 135, 141, 223, 235, 277, 423, 669, 705, 831, 1115, 1269, 1385, 2007, 2115, 2493, 3345, 4155, 6021, 6345, 7479, 10035, 10481, 12465, 13019, 30105, 31443, 37395, 39057, 52405, 61771, 65095, 94329, 117171, 157215, 185313, 195285, 282987, 308855, 351513, 471645, 555939, 585855, 926565, 1414935, 1667817, 1757565, 2779695, 2903237, 8339085, 8709711, 14516185, 26129133, 43548555, 78387399, 130645665, 391936995]

約数ペア:

[(1, 391936995), (3, 130645665), (5, 78387399), (9, 43548555), (15, 26129133), (27, 14516185), (45, 8709711), (47, 8339085), (135, 2903237), (141, 2779695), (223, 1757565), (235, 1667817), (277, 1414935), (423, 926565), (669, 585855), (705, 555939), (831, 471645), (1115, 351513), (1269, 308855), (1385, 282987), (2007, 195285), (2115, 185313), (2493, 157215), (3345, 117171), (4155, 94329), (6021, 65095), (6345, 61771), (7479, 52405), (10035, 39057), (10481, 37395), (12465, 31443), (13019, 30105)]