51301755

素因数分解:

$3^4\times 5^1\times {\mathrm{197}}^1\times {\mathrm{643}}^1$

素因数の和:857

約数の個数: 40

約数和(自身を含む): 92573712

約数和(自身を除く): 41271957

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 197, 405, 591, 643, 985, 1773, 1929, 2955, 3215, 5319, 5787, 8865, 9645, 15957, 17361, 26595, 28935, 52083, 79785, 86805, 126671, 260415, 380013, 633355, 1140039, 1900065, 3420117, 5700195, 10260351, 17100585, 51301755]

約数ペア:

[(1, 51301755), (3, 17100585), (5, 10260351), (9, 5700195), (15, 3420117), (27, 1900065), (45, 1140039), (81, 633355), (135, 380013), (197, 260415), (405, 126671), (591, 86805), (643, 79785), (985, 52083), (1773, 28935), (1929, 26595), (2955, 17361), (3215, 15957), (5319, 9645), (5787, 8865)]