64072215

素因数分解:

$3^4\times 5^1\times {\mathrm{281}}^1\times {\mathrm{563}}^1$

素因数の和:861

約数の個数: 40

約数和(自身を含む): 115468848

約数和(自身を除く): 51396633

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 281, 405, 563, 843, 1405, 1689, 2529, 2815, 4215, 5067, 7587, 8445, 12645, 15201, 22761, 25335, 37935, 45603, 76005, 113805, 158203, 228015, 474609, 791015, 1423827, 2373045, 4271481, 7119135, 12814443, 21357405, 64072215]

約数ペア:

[(1, 64072215), (3, 21357405), (5, 12814443), (9, 7119135), (15, 4271481), (27, 2373045), (45, 1423827), (81, 791015), (135, 474609), (281, 228015), (405, 158203), (563, 113805), (843, 76005), (1405, 45603), (1689, 37935), (2529, 25335), (2815, 22761), (4215, 15201), (5067, 12645), (7587, 8445)]