4720242519

素因数分解:

$3^4\times {\mathrm{71}}^1\times {\mathrm{383}}^1\times {\mathrm{2143}}^1$

素因数の和:2609

約数の個数: 40

約数和(自身を含む): 7172554752

約数和(自身を除く): 2452312233

約数列:

[1, 3, 9, 27, 71, 81, 213, 383, 639, 1149, 1917, 2143, 3447, 5751, 6429, 10341, 19287, 27193, 31023, 57861, 81579, 152153, 173583, 244737, 456459, 734211, 820769, 1369377, 2202633, 2462307, 4108131, 7386921, 12324393, 22160763, 58274599, 66482289, 174823797, 524471391, 1573414173, 4720242519]

約数ペア:

[(1, 4720242519), (3, 1573414173), (9, 524471391), (27, 174823797), (71, 66482289), (81, 58274599), (213, 22160763), (383, 12324393), (639, 7386921), (1149, 4108131), (1917, 2462307), (2143, 2202633), (3447, 1369377), (5751, 820769), (6429, 734211), (10341, 456459), (19287, 244737), (27193, 173583), (31023, 152153), (57861, 81579)]