18375175

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{197}}^1$

素因数の和:268

約数の個数: 48

約数和(自身を含む): 28873152

約数和(自身を除く): 10497977

約数列:

[1, 5, 7, 13, 25, 35, 41, 65, 91, 175, 197, 205, 287, 325, 455, 533, 985, 1025, 1379, 1435, 2275, 2561, 2665, 3731, 4925, 6895, 7175, 8077, 12805, 13325, 17927, 18655, 34475, 40385, 56539, 64025, 89635, 93275, 105001, 201925, 282695, 448175, 525005, 735007, 1413475, 2625025, 3675035, 18375175]

約数ペア:

[(1, 18375175), (5, 3675035), (7, 2625025), (13, 1413475), (25, 735007), (35, 525005), (41, 448175), (65, 282695), (91, 201925), (175, 105001), (197, 93275), (205, 89635), (287, 64025), (325, 56539), (455, 40385), (533, 34475), (985, 18655), (1025, 17927), (1379, 13325), (1435, 12805), (2275, 8077), (2561, 7175), (2665, 6895), (3731, 4925)]