245755575

素因数分解:

$3^2\times 5^2\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{281}}^1$

素因数の和:346

約数の個数: 108

約数和(自身を含む): 499133232

約数和(自身を除く): 253377657

約数列:

[1, 3, 5, 9, 13, 15, 23, 25, 39, 45, 65, 69, 75, 115, 117, 169, 195, 207, 225, 281, 299, 325, 345, 507, 575, 585, 843, 845, 897, 975, 1035, 1405, 1495, 1521, 1725, 2529, 2535, 2691, 2925, 3653, 3887, 4215, 4225, 4485, 5175, 6463, 7025, 7475, 7605, 10959, 11661, 12645, 12675, 13455, 18265, 19389, 19435, 21075, 22425, 32315, 32877, 34983, 38025, 47489, 54795, 58167, 58305, 63225, 67275, 84019, 91325, 96945, 97175, 142467, 161575, 164385, 174915, 237445, 252057, 273975, 290835, 291525, 420095, 427401, 484725, 712335, 756171, 821925, 874575, 1092247, 1187225, 1260285, 1454175, 2100475, 2137005, 3276741, 3561675, 3780855, 5461235, 6301425, 9830223, 10685025, 16383705, 18904275, 27306175, 49151115, 81918525, 245755575]

約数ペア:

[(1, 245755575), (3, 81918525), (5, 49151115), (9, 27306175), (13, 18904275), (15, 16383705), (23, 10685025), (25, 9830223), (39, 6301425), (45, 5461235), (65, 3780855), (69, 3561675), (75, 3276741), (115, 2137005), (117, 2100475), (169, 1454175), (195, 1260285), (207, 1187225), (225, 1092247), (281, 874575), (299, 821925), (325, 756171), (345, 712335), (507, 484725), (575, 427401), (585, 420095), (843, 291525), (845, 290835), (897, 273975), (975, 252057), (1035, 237445), (1405, 174915), (1495, 164385), (1521, 161575), (1725, 142467), (2529, 97175), (2535, 96945), (2691, 91325), (2925, 84019), (3653, 67275), (3887, 63225), (4215, 58305), (4225, 58167), (4485, 54795), (5175, 47489), (6463, 38025), (7025, 34983), (7475, 32877), (7605, 32315), (10959, 22425), (11661, 21075), (12645, 19435), (12675, 19389), (13455, 18265)]