201945015

素因数分解:

$3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{601}}^1$

素因数の和:765

約数の個数: 64

約数和(自身を含む): 381427200

約数和(自身を除く): 179482185

約数列:

[1, 3, 5, 9, 15, 19, 27, 45, 57, 95, 131, 135, 171, 285, 393, 513, 601, 655, 855, 1179, 1803, 1965, 2489, 2565, 3005, 3537, 5409, 5895, 7467, 9015, 11419, 12445, 16227, 17685, 22401, 27045, 34257, 37335, 57095, 67203, 78731, 81135, 102771, 112005, 171285, 236193, 308313, 336015, 393655, 513855, 708579, 1180965, 1495889, 1541565, 2125737, 3542895, 4487667, 7479445, 10628685, 13463001, 22438335, 40389003, 67315005, 201945015]

約数ペア:

[(1, 201945015), (3, 67315005), (5, 40389003), (9, 22438335), (15, 13463001), (19, 10628685), (27, 7479445), (45, 4487667), (57, 3542895), (95, 2125737), (131, 1541565), (135, 1495889), (171, 1180965), (285, 708579), (393, 513855), (513, 393655), (601, 336015), (655, 308313), (855, 236193), (1179, 171285), (1803, 112005), (1965, 102771), (2489, 81135), (2565, 78731), (3005, 67203), (3537, 57095), (5409, 37335), (5895, 34257), (7467, 27045), (9015, 22401), (11419, 17685), (12445, 16227)]