221566245

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{557}}^1\times {\mathrm{1153}}^1$

素因数の和:1741

約数の個数: 32

約数和(自身を含む): 370904832

約数和(自身を除く): 149338587

約数列:

[1, 3, 5, 15, 23, 69, 115, 345, 557, 1153, 1671, 2785, 3459, 5765, 8355, 12811, 17295, 26519, 38433, 64055, 79557, 132595, 192165, 397785, 642221, 1926663, 3211105, 9633315, 14771083, 44313249, 73855415, 221566245]

約数ペア:

[(1, 221566245), (3, 73855415), (5, 44313249), (15, 14771083), (23, 9633315), (69, 3211105), (115, 1926663), (345, 642221), (557, 397785), (1153, 192165), (1671, 132595), (2785, 79557), (3459, 64055), (5765, 38433), (8355, 26519), (12811, 17295)]