15207836553

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{640303}}^1$

素因数の和:640358

約数の個数: 48

約数和(自身を含む): 27968478720

約数和(自身を除く): 12760642167

約数列:

[1, 3, 7, 9, 13, 21, 29, 39, 63, 87, 91, 117, 203, 261, 273, 377, 609, 819, 1131, 1827, 2639, 3393, 7917, 23751, 640303, 1920909, 4482121, 5762727, 8323939, 13446363, 18568787, 24971817, 40339089, 55706361, 58267573, 74915451, 129981509, 167119083, 174802719, 241394231, 389944527, 524408157, 724182693, 1169833581, 1689759617, 2172548079, 5069278851, 15207836553]

約数ペア:

[(1, 15207836553), (3, 5069278851), (7, 2172548079), (9, 1689759617), (13, 1169833581), (21, 724182693), (29, 524408157), (39, 389944527), (63, 241394231), (87, 174802719), (91, 167119083), (117, 129981509), (203, 74915451), (261, 58267573), (273, 55706361), (377, 40339089), (609, 24971817), (819, 18568787), (1131, 13446363), (1827, 8323939), (2639, 5762727), (3393, 4482121), (7917, 1920909), (23751, 640303)]