521302365

素因数分解:

$3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{227147}}^1$

素因数の和:227178

約数の個数: 32

約数和(自身を含む): 981279360

約数和(自身を除く): 459976995

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 85, 135, 153, 255, 459, 765, 2295, 227147, 681441, 1135735, 2044323, 3407205, 3861499, 6132969, 10221615, 11584497, 19307495, 30664845, 34753491, 57922485, 104260473, 173767455, 521302365]

約数ペア:

[(1, 521302365), (3, 173767455), (5, 104260473), (9, 57922485), (15, 34753491), (17, 30664845), (27, 19307495), (45, 11584497), (51, 10221615), (85, 6132969), (135, 3861499), (153, 3407205), (255, 2044323), (459, 1135735), (765, 681441), (2295, 227147)]