289493631

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{193}}^1\times {\mathrm{821}}^1$

素因数の和:1056

約数の個数: 48

約数和(自身を含む): 497540160

約数和(自身を除く): 208046529

約数列:

[1, 3, 7, 9, 21, 29, 63, 87, 193, 203, 261, 579, 609, 821, 1351, 1737, 1827, 2463, 4053, 5597, 5747, 7389, 12159, 16791, 17241, 23809, 39179, 50373, 51723, 71427, 117537, 158453, 166663, 214281, 352611, 475359, 499989, 1109171, 1426077, 1499967, 3327513, 4595137, 9982539, 13785411, 32165959, 41356233, 96497877, 289493631]

約数ペア:

[(1, 289493631), (3, 96497877), (7, 41356233), (9, 32165959), (21, 13785411), (29, 9982539), (63, 4595137), (87, 3327513), (193, 1499967), (203, 1426077), (261, 1109171), (579, 499989), (609, 475359), (821, 352611), (1351, 214281), (1737, 166663), (1827, 158453), (2463, 117537), (4053, 71427), (5597, 51723), (5747, 50373), (7389, 39179), (12159, 23809), (16791, 17241)]