15768225

素因数分解:

$3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{277}}^1$

素因数の和:327

約数の個数: 72

約数和(自身を含む): 32265792

約数和(自身を除く): 16497567

約数列:

[1, 3, 5, 9, 11, 15, 23, 25, 33, 45, 55, 69, 75, 99, 115, 165, 207, 225, 253, 275, 277, 345, 495, 575, 759, 825, 831, 1035, 1265, 1385, 1725, 2277, 2475, 2493, 3047, 3795, 4155, 5175, 6325, 6371, 6925, 9141, 11385, 12465, 15235, 18975, 19113, 20775, 27423, 31855, 45705, 56925, 57339, 62325, 70081, 76175, 95565, 137115, 159275, 210243, 228525, 286695, 350405, 477825, 630729, 685575, 1051215, 1433475, 1752025, 3153645, 5256075, 15768225]

約数ペア:

[(1, 15768225), (3, 5256075), (5, 3153645), (9, 1752025), (11, 1433475), (15, 1051215), (23, 685575), (25, 630729), (33, 477825), (45, 350405), (55, 286695), (69, 228525), (75, 210243), (99, 159275), (115, 137115), (165, 95565), (207, 76175), (225, 70081), (253, 62325), (275, 57339), (277, 56925), (345, 45705), (495, 31855), (575, 27423), (759, 20775), (825, 19113), (831, 18975), (1035, 15235), (1265, 12465), (1385, 11385), (1725, 9141), (2277, 6925), (2475, 6371), (2493, 6325), (3047, 5175), (3795, 4155)]