28774395

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{487}}^1$

素因数の和:612

約数の個数: 48

約数和(自身を含む): 54355392

約数和(自身を除く): 25580997

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 101, 117, 195, 303, 487, 505, 585, 909, 1313, 1461, 1515, 2435, 3939, 4383, 4545, 6331, 6565, 7305, 11817, 18993, 19695, 21915, 31655, 49187, 56979, 59085, 94965, 147561, 245935, 284895, 442683, 639431, 737805, 1918293, 2213415, 3197155, 5754879, 9591465, 28774395]

約数ペア:

[(1, 28774395), (3, 9591465), (5, 5754879), (9, 3197155), (13, 2213415), (15, 1918293), (39, 737805), (45, 639431), (65, 442683), (101, 284895), (117, 245935), (195, 147561), (303, 94965), (487, 59085), (505, 56979), (585, 49187), (909, 31655), (1313, 21915), (1461, 19695), (1515, 18993), (2435, 11817), (3939, 7305), (4383, 6565), (4545, 6331)]