207928305

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{1439}}^1$

素因数の和:1495

約数の個数: 72

約数和(自身を含む): 411091200

約数和(自身を除く): 203162895

約数列:

[1, 3, 5, 9, 13, 15, 19, 39, 45, 57, 65, 95, 117, 169, 171, 195, 247, 285, 507, 585, 741, 845, 855, 1235, 1439, 1521, 2223, 2535, 3211, 3705, 4317, 7195, 7605, 9633, 11115, 12951, 16055, 18707, 21585, 27341, 28899, 48165, 56121, 64755, 82023, 93535, 136705, 144495, 168363, 243191, 246069, 280605, 355433, 410115, 729573, 841815, 1066299, 1215955, 1230345, 1777165, 2188719, 3198897, 3647865, 4620629, 5331495, 10943595, 13861887, 15994485, 23103145, 41585661, 69309435, 207928305]

約数ペア:

[(1, 207928305), (3, 69309435), (5, 41585661), (9, 23103145), (13, 15994485), (15, 13861887), (19, 10943595), (39, 5331495), (45, 4620629), (57, 3647865), (65, 3198897), (95, 2188719), (117, 1777165), (169, 1230345), (171, 1215955), (195, 1066299), (247, 841815), (285, 729573), (507, 410115), (585, 355433), (741, 280605), (845, 246069), (855, 243191), (1235, 168363), (1439, 144495), (1521, 136705), (2223, 93535), (2535, 82023), (3211, 64755), (3705, 56121), (4317, 48165), (7195, 28899), (7605, 27341), (9633, 21585), (11115, 18707), (12951, 16055)]