203208705

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{1787}}^1$

素因数の和:1843

約数の個数: 72

約数和(自身を含む): 425086272

約数和(自身を除く): 221877567

約数列:

[1, 3, 5, 7, 9, 15, 19, 21, 35, 45, 57, 63, 95, 105, 133, 171, 285, 315, 361, 399, 665, 855, 1083, 1197, 1787, 1805, 1995, 2527, 3249, 5361, 5415, 5985, 7581, 8935, 12509, 12635, 16083, 16245, 22743, 26805, 33953, 37527, 37905, 62545, 80415, 101859, 112581, 113715, 169765, 187635, 237671, 305577, 509295, 562905, 645107, 713013, 1188355, 1527885, 1935321, 2139039, 3225535, 3565065, 4515749, 5805963, 9676605, 10695195, 13547247, 22578745, 29029815, 40641741, 67736235, 203208705]

約数ペア:

[(1, 203208705), (3, 67736235), (5, 40641741), (7, 29029815), (9, 22578745), (15, 13547247), (19, 10695195), (21, 9676605), (35, 5805963), (45, 4515749), (57, 3565065), (63, 3225535), (95, 2139039), (105, 1935321), (133, 1527885), (171, 1188355), (285, 713013), (315, 645107), (361, 562905), (399, 509295), (665, 305577), (855, 237671), (1083, 187635), (1197, 169765), (1787, 113715), (1805, 112581), (1995, 101859), (2527, 80415), (3249, 62545), (5361, 37905), (5415, 37527), (5985, 33953), (7581, 26805), (8935, 22743), (12509, 16245), (12635, 16083)]