2555595

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1$

素因数の和:105

約数の個数: 72

約数和(自身を含む): 5513040

約数和(自身を除く): 2957445

約数列:

[1, 3, 5, 7, 9, 15, 19, 21, 35, 45, 49, 57, 61, 63, 95, 105, 133, 147, 171, 183, 245, 285, 305, 315, 399, 427, 441, 549, 665, 735, 855, 915, 931, 1159, 1197, 1281, 1995, 2135, 2205, 2745, 2793, 2989, 3477, 3843, 4655, 5795, 5985, 6405, 8113, 8379, 8967, 10431, 13965, 14945, 17385, 19215, 24339, 26901, 40565, 41895, 44835, 52155, 56791, 73017, 121695, 134505, 170373, 283955, 365085, 511119, 851865, 2555595]

約数ペア:

[(1, 2555595), (3, 851865), (5, 511119), (7, 365085), (9, 283955), (15, 170373), (19, 134505), (21, 121695), (35, 73017), (45, 56791), (49, 52155), (57, 44835), (61, 41895), (63, 40565), (95, 26901), (105, 24339), (133, 19215), (147, 17385), (171, 14945), (183, 13965), (245, 10431), (285, 8967), (305, 8379), (315, 8113), (399, 6405), (427, 5985), (441, 5795), (549, 4655), (665, 3843), (735, 3477), (855, 2989), (915, 2793), (931, 2745), (1159, 2205), (1197, 2135), (1281, 1995)]