28730583

素因数分解:

$3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{313}}^1$

素因数の和:404

約数の個数: 48

約数和(自身を含む): 50159616

約数和(自身を除く): 21429033

約数列:

[1, 3, 7, 9, 21, 31, 47, 63, 93, 141, 217, 279, 313, 329, 423, 651, 939, 987, 1457, 1953, 2191, 2817, 2961, 4371, 6573, 9703, 10199, 13113, 14711, 19719, 29109, 30597, 44133, 67921, 87327, 91791, 102977, 132399, 203763, 308931, 456041, 611289, 926793, 1368123, 3192287, 4104369, 9576861, 28730583]

約数ペア:

[(1, 28730583), (3, 9576861), (7, 4104369), (9, 3192287), (21, 1368123), (31, 926793), (47, 611289), (63, 456041), (93, 308931), (141, 203763), (217, 132399), (279, 102977), (313, 91791), (329, 87327), (423, 67921), (651, 44133), (939, 30597), (987, 29109), (1457, 19719), (1953, 14711), (2191, 13113), (2817, 10199), (2961, 9703), (4371, 6573)]