201920895

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{619}}^1\times {\mathrm{659}}^1$

素因数の和:1300

約数の個数: 48

約数和(自身を含む): 383011200

約数和(自身を除く): 181090305

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 99, 165, 495, 619, 659, 1857, 1977, 3095, 3295, 5571, 5931, 6809, 7249, 9285, 9885, 20427, 21747, 27855, 29655, 34045, 36245, 61281, 65241, 102135, 108735, 306405, 326205, 407921, 1223763, 2039605, 3671289, 4487131, 6118815, 13461393, 18356445, 22435655, 40384179, 67306965, 201920895]

約数ペア:

[(1, 201920895), (3, 67306965), (5, 40384179), (9, 22435655), (11, 18356445), (15, 13461393), (33, 6118815), (45, 4487131), (55, 3671289), (99, 2039605), (165, 1223763), (495, 407921), (619, 326205), (659, 306405), (1857, 108735), (1977, 102135), (3095, 65241), (3295, 61281), (5571, 36245), (5931, 34045), (6809, 29655), (7249, 27855), (9285, 21747), (9885, 20427)]