245718135

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{2819}}^1$

素因数の和:2992

約数の個数: 48

約数和(自身を含む): 461916000

約数和(自身を除く): 216197865

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 117, 149, 195, 447, 585, 745, 1341, 1937, 2235, 2819, 5811, 6705, 8457, 9685, 14095, 17433, 25371, 29055, 36647, 42285, 87165, 109941, 126855, 183235, 329823, 420031, 549705, 1260093, 1649115, 2100155, 3780279, 5460403, 6300465, 16381209, 18901395, 27302015, 49143627, 81906045, 245718135]

約数ペア:

[(1, 245718135), (3, 81906045), (5, 49143627), (9, 27302015), (13, 18901395), (15, 16381209), (39, 6300465), (45, 5460403), (65, 3780279), (117, 2100155), (149, 1649115), (195, 1260093), (447, 549705), (585, 420031), (745, 329823), (1341, 183235), (1937, 126855), (2235, 109941), (2819, 87165), (5811, 42285), (6705, 36647), (8457, 29055), (9685, 25371), (14095, 17433)]