22191525

素因数分解:

$3^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{179}}^1$

素因数の和:243

約数の個数: 72

約数和(自身を含む): 43524000

約数和(自身を除く): 21332475

約数列:

[1, 3, 5, 9, 15, 19, 25, 29, 45, 57, 75, 87, 95, 145, 171, 179, 225, 261, 285, 435, 475, 537, 551, 725, 855, 895, 1305, 1425, 1611, 1653, 2175, 2685, 2755, 3401, 4275, 4475, 4959, 5191, 6525, 8055, 8265, 10203, 13425, 13775, 15573, 17005, 24795, 25955, 30609, 40275, 41325, 46719, 51015, 77865, 85025, 98629, 123975, 129775, 153045, 233595, 255075, 295887, 389325, 493145, 765225, 887661, 1167975, 1479435, 2465725, 4438305, 7397175, 22191525]

約数ペア:

[(1, 22191525), (3, 7397175), (5, 4438305), (9, 2465725), (15, 1479435), (19, 1167975), (25, 887661), (29, 765225), (45, 493145), (57, 389325), (75, 295887), (87, 255075), (95, 233595), (145, 153045), (171, 129775), (179, 123975), (225, 98629), (261, 85025), (285, 77865), (435, 51015), (475, 46719), (537, 41325), (551, 40275), (725, 30609), (855, 25955), (895, 24795), (1305, 17005), (1425, 15573), (1611, 13775), (1653, 13425), (2175, 10203), (2685, 8265), (2755, 8055), (3401, 6525), (4275, 5191), (4475, 4959)]