161818665

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{101}}^1\times {\mathrm{103}}^1$

素因数の和:290

約数の個数: 64

約数和(自身を含む): 284124672

約数和(自身を除く): 122306007

約数列:

[1, 3, 5, 15, 17, 51, 61, 85, 101, 103, 183, 255, 303, 305, 309, 505, 515, 915, 1037, 1515, 1545, 1717, 1751, 3111, 5151, 5185, 5253, 6161, 6283, 8585, 8755, 10403, 15555, 18483, 18849, 25755, 26265, 30805, 31209, 31415, 52015, 92415, 94245, 104737, 106811, 156045, 176851, 314211, 320433, 523685, 530553, 534055, 634583, 884255, 1571055, 1602165, 1903749, 2652765, 3172915, 9518745, 10787911, 32363733, 53939555, 161818665]

約数ペア:

[(1, 161818665), (3, 53939555), (5, 32363733), (15, 10787911), (17, 9518745), (51, 3172915), (61, 2652765), (85, 1903749), (101, 1602165), (103, 1571055), (183, 884255), (255, 634583), (303, 534055), (305, 530553), (309, 523685), (505, 320433), (515, 314211), (915, 176851), (1037, 156045), (1515, 106811), (1545, 104737), (1717, 94245), (1751, 92415), (3111, 52015), (5151, 31415), (5185, 31209), (5253, 30805), (6161, 26265), (6283, 25755), (8585, 18849), (8755, 18483), (10403, 15555)]