520695

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1$

素因数の和:69

約数の個数: 64

約数和(自身を含む): 1152000

約数和(自身を除く): 631305

約数列:

[1, 3, 5, 7, 9, 15, 19, 21, 27, 29, 35, 45, 57, 63, 87, 95, 105, 133, 135, 145, 171, 189, 203, 261, 285, 315, 399, 435, 513, 551, 609, 665, 783, 855, 945, 1015, 1197, 1305, 1653, 1827, 1995, 2565, 2755, 3045, 3591, 3857, 3915, 4959, 5481, 5985, 8265, 9135, 11571, 14877, 17955, 19285, 24795, 27405, 34713, 57855, 74385, 104139, 173565, 520695]

約数ペア:

[(1, 520695), (3, 173565), (5, 104139), (7, 74385), (9, 57855), (15, 34713), (19, 27405), (21, 24795), (27, 19285), (29, 17955), (35, 14877), (45, 11571), (57, 9135), (63, 8265), (87, 5985), (95, 5481), (105, 4959), (133, 3915), (135, 3857), (145, 3591), (171, 3045), (189, 2755), (203, 2565), (261, 1995), (285, 1827), (315, 1653), (399, 1305), (435, 1197), (513, 1015), (551, 945), (609, 855), (665, 783)]