2773225

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1$

素因数の和:106

約数の個数: 48

約数和(自身を含む): 4499712

約数和(自身を除く): 1726487

約数列:

[1, 5, 7, 13, 23, 25, 35, 53, 65, 91, 115, 161, 175, 265, 299, 325, 371, 455, 575, 689, 805, 1219, 1325, 1495, 1855, 2093, 2275, 3445, 4025, 4823, 6095, 7475, 8533, 9275, 10465, 15847, 17225, 24115, 30475, 42665, 52325, 79235, 110929, 120575, 213325, 396175, 554645, 2773225]

約数ペア:

[(1, 2773225), (5, 554645), (7, 396175), (13, 213325), (23, 120575), (25, 110929), (35, 79235), (53, 52325), (65, 42665), (91, 30475), (115, 24115), (161, 17225), (175, 15847), (265, 10465), (299, 9275), (325, 8533), (371, 7475), (455, 6095), (575, 4823), (689, 4025), (805, 3445), (1219, 2275), (1325, 2093), (1495, 1855)]