621715995

素因数分解:

$3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{181}}^1\times {\mathrm{2063}}^1$

素因数の和:2292

約数の個数: 48

約数和(自身を含む): 1113420672

約数和(自身を除く): 491704677

約数列:

[1, 3, 5, 9, 15, 37, 45, 111, 181, 185, 333, 543, 555, 905, 1629, 1665, 2063, 2715, 6189, 6697, 8145, 10315, 18567, 20091, 30945, 33485, 60273, 76331, 92835, 100455, 228993, 301365, 373403, 381655, 686979, 1120209, 1144965, 1867015, 3360627, 3434895, 5601045, 13815911, 16803135, 41447733, 69079555, 124343199, 207238665, 621715995]

約数ペア:

[(1, 621715995), (3, 207238665), (5, 124343199), (9, 69079555), (15, 41447733), (37, 16803135), (45, 13815911), (111, 5601045), (181, 3434895), (185, 3360627), (333, 1867015), (543, 1144965), (555, 1120209), (905, 686979), (1629, 381655), (1665, 373403), (2063, 301365), (2715, 228993), (6189, 100455), (6697, 92835), (8145, 76331), (10315, 60273), (18567, 33485), (20091, 30945)]