39973725

素因数分解:

$3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{521}}^1$

素因数の和:579

約数の個数: 72

約数和(自身を含む): 80780544

約数和(自身を除く): 40806819

約数列:

[1, 3, 5, 9, 11, 15, 25, 31, 33, 45, 55, 75, 93, 99, 155, 165, 225, 275, 279, 341, 465, 495, 521, 775, 825, 1023, 1395, 1563, 1705, 2325, 2475, 2605, 3069, 4689, 5115, 5731, 6975, 7815, 8525, 13025, 15345, 16151, 17193, 23445, 25575, 28655, 39075, 48453, 51579, 76725, 80755, 85965, 117225, 143275, 145359, 177661, 242265, 257895, 403775, 429825, 532983, 726795, 888305, 1211325, 1289475, 1598949, 2664915, 3633975, 4441525, 7994745, 13324575, 39973725]

約数ペア:

[(1, 39973725), (3, 13324575), (5, 7994745), (9, 4441525), (11, 3633975), (15, 2664915), (25, 1598949), (31, 1289475), (33, 1211325), (45, 888305), (55, 726795), (75, 532983), (93, 429825), (99, 403775), (155, 257895), (165, 242265), (225, 177661), (275, 145359), (279, 143275), (341, 117225), (465, 85965), (495, 80755), (521, 76725), (775, 51579), (825, 48453), (1023, 39075), (1395, 28655), (1563, 25575), (1705, 23445), (2325, 17193), (2475, 16151), (2605, 15345), (3069, 13025), (4689, 8525), (5115, 7815), (5731, 6975)]