31221000705

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{83}}^1\times {\mathrm{15263}}^1$

素因数の和:15438

約数の個数: 64

約数和(自身を含む): 53174403072

約数和(自身を除く): 21953402367

約数列:

[1, 3, 5, 15, 31, 53, 83, 93, 155, 159, 249, 265, 415, 465, 795, 1245, 1643, 2573, 4399, 4929, 7719, 8215, 12865, 13197, 15263, 21995, 24645, 38595, 45789, 65985, 76315, 136369, 228945, 409107, 473153, 681845, 808939, 1266829, 1419459, 2045535, 2365765, 2426817, 3800487, 4044695, 6334145, 7097295, 12134085, 19002435, 25077109, 39271699, 67141937, 75231327, 117815097, 125385545, 196358495, 201425811, 335709685, 376156635, 589075485, 1007129055, 2081400047, 6244200141, 10407000235, 31221000705]

約数ペア:

[(1, 31221000705), (3, 10407000235), (5, 6244200141), (15, 2081400047), (31, 1007129055), (53, 589075485), (83, 376156635), (93, 335709685), (155, 201425811), (159, 196358495), (249, 125385545), (265, 117815097), (415, 75231327), (465, 67141937), (795, 39271699), (1245, 25077109), (1643, 19002435), (2573, 12134085), (4399, 7097295), (4929, 6334145), (7719, 4044695), (8215, 3800487), (12865, 2426817), (13197, 2365765), (15263, 2045535), (21995, 1419459), (24645, 1266829), (38595, 808939), (45789, 681845), (65985, 473153), (76315, 409107), (136369, 228945)]