78531579

素因数分解:

$3^3\times 7^1\times {\mathrm{19}}^2\times {\mathrm{1151}}^1$

素因数の和:1205

約数の個数: 48

約数和(自身を含む): 140451840

約数和(自身を除く): 61920261

約数列:

[1, 3, 7, 9, 19, 21, 27, 57, 63, 133, 171, 189, 361, 399, 513, 1083, 1151, 1197, 2527, 3249, 3453, 3591, 7581, 8057, 9747, 10359, 21869, 22743, 24171, 31077, 65607, 68229, 72513, 153083, 196821, 217539, 415511, 459249, 590463, 1246533, 1377747, 2908577, 3739599, 4133241, 8725731, 11218797, 26177193, 78531579]

約数ペア:

[(1, 78531579), (3, 26177193), (7, 11218797), (9, 8725731), (19, 4133241), (21, 3739599), (27, 2908577), (57, 1377747), (63, 1246533), (133, 590463), (171, 459249), (189, 415511), (361, 217539), (399, 196821), (513, 153083), (1083, 72513), (1151, 68229), (1197, 65607), (2527, 31077), (3249, 24171), (3453, 22743), (3591, 21869), (7581, 10359), (8057, 9747)]