27240395

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1$

素因数の和:204

約数の個数: 64

約数和(自身を含む): 44513280

約数和(自身を除く): 17272885

約数列:

[1, 5, 7, 13, 19, 23, 35, 65, 91, 95, 115, 133, 137, 161, 247, 299, 437, 455, 665, 685, 805, 959, 1235, 1495, 1729, 1781, 2093, 2185, 2603, 3059, 3151, 4795, 5681, 8645, 8905, 10465, 12467, 13015, 15295, 15755, 18221, 22057, 28405, 33839, 39767, 40963, 59869, 62335, 91105, 110285, 169195, 198835, 204815, 236873, 286741, 299345, 419083, 778297, 1184365, 1433705, 2095415, 3891485, 5448079, 27240395]

約数ペア:

[(1, 27240395), (5, 5448079), (7, 3891485), (13, 2095415), (19, 1433705), (23, 1184365), (35, 778297), (65, 419083), (91, 299345), (95, 286741), (115, 236873), (133, 204815), (137, 198835), (161, 169195), (247, 110285), (299, 91105), (437, 62335), (455, 59869), (665, 40963), (685, 39767), (805, 33839), (959, 28405), (1235, 22057), (1495, 18221), (1729, 15755), (1781, 15295), (2093, 13015), (2185, 12467), (2603, 10465), (3059, 8905), (3151, 8645), (4795, 5681)]