63938205

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{173}}^1\times {\mathrm{191}}^1$

素因数の和:418

約数の個数: 48

約数和(自身を含む): 114656256

約数和(自身を除く): 50718051

約数列:

[1, 3, 5, 9, 15, 43, 45, 129, 173, 191, 215, 387, 519, 573, 645, 865, 955, 1557, 1719, 1935, 2595, 2865, 7439, 7785, 8213, 8595, 22317, 24639, 33043, 37195, 41065, 66951, 73917, 99129, 111585, 123195, 165215, 297387, 334755, 369585, 495645, 1420849, 1486935, 4262547, 7104245, 12787641, 21312735, 63938205]

約数ペア:

[(1, 63938205), (3, 21312735), (5, 12787641), (9, 7104245), (15, 4262547), (43, 1486935), (45, 1420849), (129, 495645), (173, 369585), (191, 334755), (215, 297387), (387, 165215), (519, 123195), (573, 111585), (645, 99129), (865, 73917), (955, 66951), (1557, 41065), (1719, 37195), (1935, 33043), (2595, 24639), (2865, 22317), (7439, 8595), (7785, 8213)]