81202455

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{179}}^1\times {\mathrm{593}}^1$

素因数の和:800

約数の個数: 48

約数和(自身を含む): 150115680

約数和(自身を除く): 68913225

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 179, 255, 537, 593, 765, 895, 1611, 1779, 2685, 2965, 3043, 5337, 8055, 8895, 9129, 10081, 15215, 26685, 27387, 30243, 45645, 50405, 90729, 106147, 136935, 151215, 318441, 453645, 530735, 955323, 1592205, 1804499, 4776615, 5413497, 9022495, 16240491, 27067485, 81202455]

約数ペア:

[(1, 81202455), (3, 27067485), (5, 16240491), (9, 9022495), (15, 5413497), (17, 4776615), (45, 1804499), (51, 1592205), (85, 955323), (153, 530735), (179, 453645), (255, 318441), (537, 151215), (593, 136935), (765, 106147), (895, 90729), (1611, 50405), (1779, 45645), (2685, 30243), (2965, 27387), (3043, 26685), (5337, 15215), (8055, 10081), (8895, 9129)]