2491411455

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{379}}^1\times {\mathrm{661}}^1$

素因数の和:1081

約数の個数: 96

約数和(自身を含む): 4944663360

約数和(自身を除く): 2453251905

約数列:

[1, 3, 5, 9, 13, 15, 17, 39, 45, 51, 65, 85, 117, 153, 195, 221, 255, 379, 585, 661, 663, 765, 1105, 1137, 1895, 1983, 1989, 3305, 3315, 3411, 4927, 5685, 5949, 6443, 8593, 9915, 9945, 11237, 14781, 17055, 19329, 24635, 25779, 29745, 32215, 33711, 42965, 44343, 56185, 57987, 73905, 77337, 83759, 96645, 101133, 128895, 146081, 168555, 221715, 250519, 251277, 289935, 386685, 418795, 438243, 505665, 730405, 751557, 753831, 1252595, 1256385, 1314729, 2191215, 2254671, 3256747, 3757785, 3769155, 4258823, 6573645, 9770241, 11273355, 12776469, 16283735, 21294115, 29310723, 38329407, 48851205, 55364699, 63882345, 146553615, 166094097, 191647035, 276823495, 498282291, 830470485, 2491411455]

約数ペア:

[(1, 2491411455), (3, 830470485), (5, 498282291), (9, 276823495), (13, 191647035), (15, 166094097), (17, 146553615), (39, 63882345), (45, 55364699), (51, 48851205), (65, 38329407), (85, 29310723), (117, 21294115), (153, 16283735), (195, 12776469), (221, 11273355), (255, 9770241), (379, 6573645), (585, 4258823), (661, 3769155), (663, 3757785), (765, 3256747), (1105, 2254671), (1137, 2191215), (1895, 1314729), (1983, 1256385), (1989, 1252595), (3305, 753831), (3315, 751557), (3411, 730405), (4927, 505665), (5685, 438243), (5949, 418795), (6443, 386685), (8593, 289935), (9915, 251277), (9945, 250519), (11237, 221715), (14781, 168555), (17055, 146081), (19329, 128895), (24635, 101133), (25779, 96645), (29745, 83759), (32215, 77337), (33711, 73905), (42965, 57987), (44343, 56185)]