15039815

素因数分解:

$5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1$

素因数の和:216

約数の個数: 48

約数和(自身を含む): 23343552

約数和(自身を除く): 8303737

約数列:

[1, 5, 7, 17, 23, 35, 49, 85, 115, 119, 157, 161, 245, 391, 595, 785, 805, 833, 1099, 1127, 1955, 2669, 2737, 3611, 4165, 5495, 5635, 7693, 13345, 13685, 18055, 18683, 19159, 25277, 38465, 61387, 93415, 95795, 126385, 130781, 176939, 306935, 429709, 653905, 884695, 2148545, 3007963, 15039815]

約数ペア:

[(1, 15039815), (5, 3007963), (7, 2148545), (17, 884695), (23, 653905), (35, 429709), (49, 306935), (85, 176939), (115, 130781), (119, 126385), (157, 95795), (161, 93415), (245, 61387), (391, 38465), (595, 25277), (785, 19159), (805, 18683), (833, 18055), (1099, 13685), (1127, 13345), (1955, 7693), (2669, 5635), (2737, 5495), (3611, 4165)]