212559075

素因数分解:

$3^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{911}}^1$

素因数の和:1005

約数の個数: 72

約数和(自身を含む): 410170176

約数和(自身を除く): 197611101

約数列:

[1, 3, 5, 9, 15, 17, 25, 45, 51, 61, 75, 85, 153, 183, 225, 255, 305, 425, 549, 765, 911, 915, 1037, 1275, 1525, 2733, 2745, 3111, 3825, 4555, 4575, 5185, 8199, 9333, 13665, 13725, 15487, 15555, 22775, 25925, 40995, 46461, 46665, 55571, 68325, 77435, 77775, 139383, 166713, 204975, 232305, 233325, 277855, 387175, 500139, 696915, 833565, 944707, 1161525, 1389275, 2500695, 2834121, 3484575, 4167825, 4723535, 8502363, 12503475, 14170605, 23617675, 42511815, 70853025, 212559075]

約数ペア:

[(1, 212559075), (3, 70853025), (5, 42511815), (9, 23617675), (15, 14170605), (17, 12503475), (25, 8502363), (45, 4723535), (51, 4167825), (61, 3484575), (75, 2834121), (85, 2500695), (153, 1389275), (183, 1161525), (225, 944707), (255, 833565), (305, 696915), (425, 500139), (549, 387175), (765, 277855), (911, 233325), (915, 232305), (1037, 204975), (1275, 166713), (1525, 139383), (2733, 77775), (2745, 77435), (3111, 68325), (3825, 55571), (4555, 46665), (4575, 46461), (5185, 40995), (8199, 25925), (9333, 22775), (13665, 15555), (13725, 15487)]