13043025

素因数分解:

$3^5\times 5^2\times {\mathrm{19}}^1\times {\mathrm{113}}^1$

素因数の和:157

約数の個数: 72

約数和(自身を含む): 25727520

約数和(自身を除く): 12684495

約数列:

[1, 3, 5, 9, 15, 19, 25, 27, 45, 57, 75, 81, 95, 113, 135, 171, 225, 243, 285, 339, 405, 475, 513, 565, 675, 855, 1017, 1215, 1425, 1539, 1695, 2025, 2147, 2565, 2825, 3051, 4275, 4617, 5085, 6075, 6441, 7695, 8475, 9153, 10735, 12825, 15255, 19323, 23085, 25425, 27459, 32205, 38475, 45765, 53675, 57969, 76275, 96615, 115425, 137295, 161025, 173907, 228825, 289845, 483075, 521721, 686475, 869535, 1449225, 2608605, 4347675, 13043025]

約数ペア:

[(1, 13043025), (3, 4347675), (5, 2608605), (9, 1449225), (15, 869535), (19, 686475), (25, 521721), (27, 483075), (45, 289845), (57, 228825), (75, 173907), (81, 161025), (95, 137295), (113, 115425), (135, 96615), (171, 76275), (225, 57969), (243, 53675), (285, 45765), (339, 38475), (405, 32205), (475, 27459), (513, 25425), (565, 23085), (675, 19323), (855, 15255), (1017, 12825), (1215, 10735), (1425, 9153), (1539, 8475), (1695, 7695), (2025, 6441), (2147, 6075), (2565, 5085), (2825, 4617), (3051, 4275)]