2145804975

素因数分解:

$3^2\times 5^2\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{6997}}^1$

素因数の和:7089

約数の個数: 72

約数和(自身を含む): 4061079360

約数和(自身を除く): 1915274385

約数列:

[1, 3, 5, 9, 15, 25, 29, 45, 47, 75, 87, 141, 145, 225, 235, 261, 423, 435, 705, 725, 1175, 1305, 1363, 2115, 2175, 3525, 4089, 6525, 6815, 6997, 10575, 12267, 20445, 20991, 34075, 34985, 61335, 62973, 102225, 104955, 174925, 202913, 306675, 314865, 328859, 524775, 608739, 986577, 1014565, 1574325, 1644295, 1826217, 2959731, 3043695, 4932885, 5072825, 8221475, 9131085, 9536911, 14798655, 15218475, 24664425, 28610733, 45655425, 47684555, 73993275, 85832199, 143053665, 238422775, 429160995, 715268325, 2145804975]

約数ペア:

[(1, 2145804975), (3, 715268325), (5, 429160995), (9, 238422775), (15, 143053665), (25, 85832199), (29, 73993275), (45, 47684555), (47, 45655425), (75, 28610733), (87, 24664425), (141, 15218475), (145, 14798655), (225, 9536911), (235, 9131085), (261, 8221475), (423, 5072825), (435, 4932885), (705, 3043695), (725, 2959731), (1175, 1826217), (1305, 1644295), (1363, 1574325), (2115, 1014565), (2175, 986577), (3525, 608739), (4089, 524775), (6525, 328859), (6815, 314865), (6997, 306675), (10575, 202913), (12267, 174925), (20445, 104955), (20991, 102225), (34075, 62973), (34985, 61335)]