1838697903

素因数分解:

$3^2\times 7^2\times {\mathrm{79}}^1\times {\mathrm{89}}^1\times {\mathrm{593}}^1$

素因数の和:781

約数の個数: 72

約数和(自身を含む): 3169108800

約数和(自身を除く): 1330410897

約数列:

[1, 3, 7, 9, 21, 49, 63, 79, 89, 147, 237, 267, 441, 553, 593, 623, 711, 801, 1659, 1779, 1869, 3871, 4151, 4361, 4977, 5337, 5607, 7031, 11613, 12453, 13083, 21093, 29057, 34839, 37359, 39249, 46847, 49217, 52777, 63279, 87171, 140541, 147651, 158331, 261513, 327929, 344519, 369439, 421623, 442953, 474993, 983787, 1033557, 1108317, 2295503, 2586073, 2951361, 3100671, 3324951, 4169383, 6886509, 7758219, 12508149, 20659527, 23274657, 29185681, 37524447, 87557043, 204299767, 262671129, 612899301, 1838697903]

約数ペア:

[(1, 1838697903), (3, 612899301), (7, 262671129), (9, 204299767), (21, 87557043), (49, 37524447), (63, 29185681), (79, 23274657), (89, 20659527), (147, 12508149), (237, 7758219), (267, 6886509), (441, 4169383), (553, 3324951), (593, 3100671), (623, 2951361), (711, 2586073), (801, 2295503), (1659, 1108317), (1779, 1033557), (1869, 983787), (3871, 474993), (4151, 442953), (4361, 421623), (4977, 369439), (5337, 344519), (5607, 327929), (7031, 261513), (11613, 158331), (12453, 147651), (13083, 140541), (21093, 87171), (29057, 63279), (34839, 52777), (37359, 49217), (39249, 46847)]