28419525

素因数分解:

$3^3\times 5^2\times {\mathrm{71}}^1\times {\mathrm{593}}^1$

素因数の和:683

約数の個数: 48

約数和(自身を含む): 53032320

約数和(自身を除く): 24612795

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 71, 75, 135, 213, 225, 355, 593, 639, 675, 1065, 1775, 1779, 1917, 2965, 3195, 5325, 5337, 8895, 9585, 14825, 15975, 16011, 26685, 42103, 44475, 47925, 80055, 126309, 133425, 210515, 378927, 400275, 631545, 1052575, 1136781, 1894635, 3157725, 5683905, 9473175, 28419525]

約数ペア:

[(1, 28419525), (3, 9473175), (5, 5683905), (9, 3157725), (15, 1894635), (25, 1136781), (27, 1052575), (45, 631545), (71, 400275), (75, 378927), (135, 210515), (213, 133425), (225, 126309), (355, 80055), (593, 47925), (639, 44475), (675, 42103), (1065, 26685), (1775, 16011), (1779, 15975), (1917, 14825), (2965, 9585), (3195, 8895), (5325, 5337)]