156491715

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{307}}^1\times {\mathrm{1999}}^1$

素因数の和:2331

約数の個数: 32

約数和(自身を含む): 266112000

約数和(自身を除く): 109620285

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 307, 921, 1535, 1999, 4605, 5219, 5997, 9995, 15657, 26095, 29985, 33983, 78285, 101949, 169915, 509745, 613693, 1841079, 3068465, 9205395, 10432781, 31298343, 52163905, 156491715]

約数ペア:

[(1, 156491715), (3, 52163905), (5, 31298343), (15, 10432781), (17, 9205395), (51, 3068465), (85, 1841079), (255, 613693), (307, 509745), (921, 169915), (1535, 101949), (1999, 78285), (4605, 33983), (5219, 29985), (5997, 26095), (9995, 15657)]