66912075

素因数分解:

$3^4\times 5^2\times {\mathrm{173}}^1\times {\mathrm{191}}^1$

素因数の和:386

約数の個数: 60

約数和(自身を含む): 125313408

約数和(自身を除く): 58401333

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 135, 173, 191, 225, 405, 519, 573, 675, 865, 955, 1557, 1719, 2025, 2595, 2865, 4325, 4671, 4775, 5157, 7785, 8595, 12975, 14013, 14325, 15471, 23355, 25785, 33043, 38925, 42975, 70065, 77355, 99129, 116775, 128925, 165215, 297387, 350325, 386775, 495645, 826075, 892161, 1486935, 2478225, 2676483, 4460805, 7434675, 13382415, 22304025, 66912075]

約数ペア:

[(1, 66912075), (3, 22304025), (5, 13382415), (9, 7434675), (15, 4460805), (25, 2676483), (27, 2478225), (45, 1486935), (75, 892161), (81, 826075), (135, 495645), (173, 386775), (191, 350325), (225, 297387), (405, 165215), (519, 128925), (573, 116775), (675, 99129), (865, 77355), (955, 70065), (1557, 42975), (1719, 38925), (2025, 33043), (2595, 25785), (2865, 23355), (4325, 15471), (4671, 14325), (4775, 14013), (5157, 12975), (7785, 8595)]