30281559

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{307}}^1$

素因数の和:396

約数の個数: 48

約数和(自身を含む): 52246656

約数和(自身を除く): 21965097

約数列:

[1, 3, 7, 11, 21, 33, 49, 61, 77, 147, 183, 231, 307, 427, 539, 671, 921, 1281, 1617, 2013, 2149, 2989, 3377, 4697, 6447, 8967, 10131, 14091, 15043, 18727, 23639, 32879, 45129, 56181, 70917, 98637, 131089, 165473, 205997, 393267, 496419, 617991, 917623, 1441979, 2752869, 4325937, 10093853, 30281559]

約数ペア:

[(1, 30281559), (3, 10093853), (7, 4325937), (11, 2752869), (21, 1441979), (33, 917623), (49, 617991), (61, 496419), (77, 393267), (147, 205997), (183, 165473), (231, 131089), (307, 98637), (427, 70917), (539, 56181), (671, 45129), (921, 32879), (1281, 23639), (1617, 18727), (2013, 15043), (2149, 14091), (2989, 10131), (3377, 8967), (4697, 6447)]