66870975

素因数分解:

$3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{167}}^1\times {\mathrm{281}}^1$

素因数の和:480

約数の個数: 48

約数和(自身を含む): 117492480

約数和(自身を除く): 50621505

約数列:

[1, 3, 5, 15, 19, 25, 57, 75, 95, 167, 281, 285, 475, 501, 835, 843, 1405, 1425, 2505, 3173, 4175, 4215, 5339, 7025, 9519, 12525, 15865, 16017, 21075, 26695, 46927, 47595, 79325, 80085, 133475, 140781, 234635, 237975, 400425, 703905, 891613, 1173175, 2674839, 3519525, 4458065, 13374195, 22290325, 66870975]

約数ペア:

[(1, 66870975), (3, 22290325), (5, 13374195), (15, 4458065), (19, 3519525), (25, 2674839), (57, 1173175), (75, 891613), (95, 703905), (167, 400425), (281, 237975), (285, 234635), (475, 140781), (501, 133475), (835, 80085), (843, 79325), (1405, 47595), (1425, 46927), (2505, 26695), (3173, 21075), (4175, 16017), (4215, 15865), (5339, 12525), (7025, 9519)]