253102005

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{1447}}^1$

素因数の和:1507

約数の個数: 72

約数和(自身を含む): 496050048

約数和(自身を除く): 242948043

約数列:

[1, 3, 5, 9, 13, 15, 23, 39, 45, 65, 69, 115, 117, 169, 195, 207, 299, 345, 507, 585, 845, 897, 1035, 1447, 1495, 1521, 2535, 2691, 3887, 4341, 4485, 7235, 7605, 11661, 13023, 13455, 18811, 19435, 21705, 33281, 34983, 56433, 58305, 65115, 94055, 99843, 166405, 169299, 174915, 244543, 282165, 299529, 432653, 499215, 733629, 846495, 1222715, 1297959, 1497645, 2163265, 2200887, 3668145, 3893877, 5624489, 6489795, 11004435, 16873467, 19469385, 28122445, 50620401, 84367335, 253102005]

約数ペア:

[(1, 253102005), (3, 84367335), (5, 50620401), (9, 28122445), (13, 19469385), (15, 16873467), (23, 11004435), (39, 6489795), (45, 5624489), (65, 3893877), (69, 3668145), (115, 2200887), (117, 2163265), (169, 1497645), (195, 1297959), (207, 1222715), (299, 846495), (345, 733629), (507, 499215), (585, 432653), (845, 299529), (897, 282165), (1035, 244543), (1447, 174915), (1495, 169299), (1521, 166405), (2535, 99843), (2691, 94055), (3887, 65115), (4341, 58305), (4485, 56433), (7235, 34983), (7605, 33281), (11661, 21705), (13023, 19435), (13455, 18811)]