81930123

素因数分解:

$3^6\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{601}}^1$

素因数の和:647

約数の個数: 56

約数和(自身を含む): 142124976

約数和(自身を除く): 60194853

約数列:

[1, 3, 9, 11, 17, 27, 33, 51, 81, 99, 153, 187, 243, 297, 459, 561, 601, 729, 891, 1377, 1683, 1803, 2673, 4131, 5049, 5409, 6611, 8019, 10217, 12393, 15147, 16227, 19833, 30651, 45441, 48681, 59499, 91953, 112387, 136323, 146043, 178497, 275859, 337161, 438129, 535491, 827577, 1011483, 1606473, 2482731, 3034449, 4819419, 7448193, 9103347, 27310041, 81930123]

約数ペア:

[(1, 81930123), (3, 27310041), (9, 9103347), (11, 7448193), (17, 4819419), (27, 3034449), (33, 2482731), (51, 1606473), (81, 1011483), (99, 827577), (153, 535491), (187, 438129), (243, 337161), (297, 275859), (459, 178497), (561, 146043), (601, 136323), (729, 112387), (891, 91953), (1377, 59499), (1683, 48681), (1803, 45441), (2673, 30651), (4131, 19833), (5049, 16227), (5409, 15147), (6611, 12393), (8019, 10217)]