51228225

素因数分解:

$3^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{227}}^1$

素因数の和:319

約数の個数: 72

約数和(自身を含む): 99234720

約数和(自身を除く): 48006495

約数列:

[1, 3, 5, 9, 15, 17, 25, 45, 51, 59, 75, 85, 153, 177, 225, 227, 255, 295, 425, 531, 681, 765, 885, 1003, 1135, 1275, 1475, 2043, 2655, 3009, 3405, 3825, 3859, 4425, 5015, 5675, 9027, 10215, 11577, 13275, 13393, 15045, 17025, 19295, 25075, 34731, 40179, 45135, 51075, 57885, 66965, 75225, 96475, 120537, 173655, 200895, 225675, 227681, 289425, 334825, 602685, 683043, 868275, 1004475, 1138405, 2049129, 3013425, 3415215, 5692025, 10245645, 17076075, 51228225]

約数ペア:

[(1, 51228225), (3, 17076075), (5, 10245645), (9, 5692025), (15, 3415215), (17, 3013425), (25, 2049129), (45, 1138405), (51, 1004475), (59, 868275), (75, 683043), (85, 602685), (153, 334825), (177, 289425), (225, 227681), (227, 225675), (255, 200895), (295, 173655), (425, 120537), (531, 96475), (681, 75225), (765, 66965), (885, 57885), (1003, 51075), (1135, 45135), (1275, 40179), (1475, 34731), (2043, 25075), (2655, 19295), (3009, 17025), (3405, 15045), (3825, 13393), (3859, 13275), (4425, 11577), (5015, 10215), (5675, 9027)]