1664228475

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{81281}}^1$

素因数の和:81317

約数の個数: 72

約数和(自身を含む): 3668744352

約数和(自身を除く): 2004515877

約数列:

[1, 3, 5, 7, 9, 13, 15, 21, 25, 35, 39, 45, 63, 65, 75, 91, 105, 117, 175, 195, 225, 273, 315, 325, 455, 525, 585, 819, 975, 1365, 1575, 2275, 2925, 4095, 6825, 20475, 81281, 243843, 406405, 568967, 731529, 1056653, 1219215, 1706901, 2032025, 2844835, 3169959, 3657645, 5120703, 5283265, 6096075, 7396571, 8534505, 9509877, 14224175, 15849795, 18288225, 22189713, 25603515, 26416325, 36982855, 42672525, 47549385, 66569139, 79248975, 110948565, 128017575, 184914275, 237746925, 332845695, 554742825, 1664228475]

約数ペア:

[(1, 1664228475), (3, 554742825), (5, 332845695), (7, 237746925), (9, 184914275), (13, 128017575), (15, 110948565), (21, 79248975), (25, 66569139), (35, 47549385), (39, 42672525), (45, 36982855), (63, 26416325), (65, 25603515), (75, 22189713), (91, 18288225), (105, 15849795), (117, 14224175), (175, 9509877), (195, 8534505), (225, 7396571), (273, 6096075), (315, 5283265), (325, 5120703), (455, 3657645), (525, 3169959), (585, 2844835), (819, 2032025), (975, 1706901), (1365, 1219215), (1575, 1056653), (2275, 731529), (2925, 568967), (4095, 406405), (6825, 243843), (20475, 81281)]