222718725

素因数分解:

$3^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{863}}^1$

素因数の和:947

約数の個数: 72

約数和(自身を含む): 423401472

約数和(自身を除く): 200682747

約数列:

[1, 3, 5, 9, 15, 25, 31, 37, 45, 75, 93, 111, 155, 185, 225, 279, 333, 465, 555, 775, 863, 925, 1147, 1395, 1665, 2325, 2589, 2775, 3441, 4315, 5735, 6975, 7767, 8325, 10323, 12945, 17205, 21575, 26753, 28675, 31931, 38835, 51615, 64725, 80259, 86025, 95793, 133765, 159655, 194175, 240777, 258075, 287379, 401295, 478965, 668825, 798275, 989861, 1203885, 1436895, 2006475, 2394825, 2969583, 4949305, 6019425, 7184475, 8908749, 14847915, 24746525, 44543745, 74239575, 222718725]

約数ペア:

[(1, 222718725), (3, 74239575), (5, 44543745), (9, 24746525), (15, 14847915), (25, 8908749), (31, 7184475), (37, 6019425), (45, 4949305), (75, 2969583), (93, 2394825), (111, 2006475), (155, 1436895), (185, 1203885), (225, 989861), (279, 798275), (333, 668825), (465, 478965), (555, 401295), (775, 287379), (863, 258075), (925, 240777), (1147, 194175), (1395, 159655), (1665, 133765), (2325, 95793), (2589, 86025), (2775, 80259), (3441, 64725), (4315, 51615), (5735, 38835), (6975, 31931), (7767, 28675), (8325, 26753), (10323, 21575), (12945, 17205)]