72216645

素因数分解:

$3^1\times 5^1\times {\mathrm{127}}^1\times {\mathrm{167}}^1\times {\mathrm{227}}^1$

素因数の和:529

約数の個数: 32

約数和(自身を含む): 117669888

約数和(自身を除く): 45453243

約数列:

[1, 3, 5, 15, 127, 167, 227, 381, 501, 635, 681, 835, 1135, 1905, 2505, 3405, 21209, 28829, 37909, 63627, 86487, 106045, 113727, 144145, 189545, 318135, 432435, 568635, 4814443, 14443329, 24072215, 72216645]

約数ペア:

[(1, 72216645), (3, 24072215), (5, 14443329), (15, 4814443), (127, 568635), (167, 432435), (227, 318135), (381, 189545), (501, 144145), (635, 113727), (681, 106045), (835, 86487), (1135, 63627), (1905, 37909), (2505, 28829), (3405, 21209)]