81563865

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^2\times {\mathrm{541}}^1$

素因数の和:614

約数の個数: 48

約数和(自身を含む): 143868480

約数和(自身を除く): 62304615

約数列:

[1, 3, 5, 15, 19, 23, 57, 69, 95, 115, 285, 345, 437, 529, 541, 1311, 1587, 1623, 2185, 2645, 2705, 6555, 7935, 8115, 10051, 10279, 12443, 30153, 30837, 37329, 50255, 51395, 62215, 150765, 154185, 186645, 236417, 286189, 709251, 858567, 1182085, 1430945, 3546255, 4292835, 5437591, 16312773, 27187955, 81563865]

約数ペア:

[(1, 81563865), (3, 27187955), (5, 16312773), (15, 5437591), (19, 4292835), (23, 3546255), (57, 1430945), (69, 1182085), (95, 858567), (115, 709251), (285, 286189), (345, 236417), (437, 186645), (529, 154185), (541, 150765), (1311, 62215), (1587, 51395), (1623, 50255), (2185, 37329), (2645, 30837), (2705, 30153), (6555, 12443), (7935, 10279), (8115, 10051)]