221079015

素因数分解:

$3^2\times 5^1\times {\mathrm{311}}^1\times {\mathrm{15797}}^1$

素因数の和:16119

約数の個数: 24

約数和(自身を含む): 384460128

約数和(自身を除く): 163381113

約数列:

[1, 3, 5, 9, 15, 45, 311, 933, 1555, 2799, 4665, 13995, 15797, 47391, 78985, 142173, 236955, 710865, 4912867, 14738601, 24564335, 44215803, 73693005, 221079015]

約数ペア:

[(1, 221079015), (3, 73693005), (5, 44215803), (9, 24564335), (15, 14738601), (45, 4912867), (311, 710865), (933, 236955), (1555, 142173), (2799, 78985), (4665, 47391), (13995, 15797)]