200901915

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{83}}^1\times {\mathrm{149}}^1$

素因数の和:281

約数の個数: 72

約数和(自身を含む): 374446800

約数和(自身を除く): 173544885

約数列:

[1, 3, 5, 9, 15, 19, 45, 57, 83, 95, 149, 171, 249, 285, 361, 415, 447, 745, 747, 855, 1083, 1245, 1341, 1577, 1805, 2235, 2831, 3249, 3735, 4731, 5415, 6705, 7885, 8493, 12367, 14155, 14193, 16245, 23655, 25479, 29963, 37101, 42465, 53789, 61835, 70965, 89889, 111303, 127395, 149815, 161367, 185505, 234973, 268945, 269667, 449445, 484101, 556515, 704919, 806835, 1174865, 1348335, 2114757, 2420505, 3524595, 4464487, 10573785, 13393461, 22322435, 40180383, 66967305, 200901915]

約数ペア:

[(1, 200901915), (3, 66967305), (5, 40180383), (9, 22322435), (15, 13393461), (19, 10573785), (45, 4464487), (57, 3524595), (83, 2420505), (95, 2114757), (149, 1348335), (171, 1174865), (249, 806835), (285, 704919), (361, 556515), (415, 484101), (447, 449445), (745, 269667), (747, 268945), (855, 234973), (1083, 185505), (1245, 161367), (1341, 149815), (1577, 127395), (1805, 111303), (2235, 89889), (2831, 70965), (3249, 61835), (3735, 53789), (4731, 42465), (5415, 37101), (6705, 29963), (7885, 25479), (8493, 23655), (12367, 16245), (14155, 14193)]