28133301

素因数分解:

$3^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{157}}^1$

素因数の和:250

約数の個数: 48

約数和(自身を含む): 46687104

約数和(自身を除く): 18553803

約数列:

[1, 3, 7, 21, 23, 49, 53, 69, 147, 157, 159, 161, 371, 471, 483, 1099, 1113, 1127, 1219, 2597, 3297, 3381, 3611, 3657, 7693, 7791, 8321, 8533, 10833, 23079, 24963, 25277, 25599, 58247, 59731, 75831, 174741, 176939, 179193, 191383, 407729, 530817, 574149, 1223187, 1339681, 4019043, 9377767, 28133301]

約数ペア:

[(1, 28133301), (3, 9377767), (7, 4019043), (21, 1339681), (23, 1223187), (49, 574149), (53, 530817), (69, 407729), (147, 191383), (157, 179193), (159, 176939), (161, 174741), (371, 75831), (471, 59731), (483, 58247), (1099, 25599), (1113, 25277), (1127, 24963), (1219, 23079), (2597, 10833), (3297, 8533), (3381, 8321), (3611, 7791), (3657, 7693)]