81931635

素因数分解:

$3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{26387}}^1$

素因数の和:26424

約数の個数: 32

約数和(自身を含む): 151994880

約数和(自身を除く): 70063245

約数列:

[1, 3, 5, 9, 15, 23, 27, 45, 69, 115, 135, 207, 345, 621, 1035, 3105, 26387, 79161, 131935, 237483, 395805, 606901, 712449, 1187415, 1820703, 3034505, 3562245, 5462109, 9103515, 16386327, 27310545, 81931635]

約数ペア:

[(1, 81931635), (3, 27310545), (5, 16386327), (9, 9103515), (15, 5462109), (23, 3562245), (27, 3034505), (45, 1820703), (69, 1187415), (115, 712449), (135, 606901), (207, 395805), (345, 237483), (621, 131935), (1035, 79161), (3105, 26387)]