221230215

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{109}}^1$

素因数の和:233

約数の個数: 96

約数和(自身を含む): 422547840

約数和(自身を除く): 201317625

約数列:

[1, 3, 5, 9, 15, 23, 37, 45, 53, 69, 109, 111, 115, 159, 185, 207, 265, 327, 333, 345, 477, 545, 555, 795, 851, 981, 1035, 1219, 1635, 1665, 1961, 2385, 2507, 2553, 3657, 4033, 4255, 4905, 5777, 5883, 6095, 7521, 7659, 9805, 10971, 12099, 12535, 12765, 17331, 17649, 18285, 20165, 22563, 28885, 29415, 36297, 37605, 38295, 45103, 51993, 54855, 60495, 86655, 88245, 92759, 112815, 132871, 135309, 181485, 213749, 225515, 259965, 278277, 398613, 405927, 463795, 641247, 664355, 676545, 834831, 1068745, 1195839, 1391385, 1923741, 1993065, 2029635, 3206235, 4174155, 4916227, 5979195, 9618705, 14748681, 24581135, 44246043, 73743405, 221230215]

約数ペア:

[(1, 221230215), (3, 73743405), (5, 44246043), (9, 24581135), (15, 14748681), (23, 9618705), (37, 5979195), (45, 4916227), (53, 4174155), (69, 3206235), (109, 2029635), (111, 1993065), (115, 1923741), (159, 1391385), (185, 1195839), (207, 1068745), (265, 834831), (327, 676545), (333, 664355), (345, 641247), (477, 463795), (545, 405927), (555, 398613), (795, 278277), (851, 259965), (981, 225515), (1035, 213749), (1219, 181485), (1635, 135309), (1665, 132871), (1961, 112815), (2385, 92759), (2507, 88245), (2553, 86655), (3657, 60495), (4033, 54855), (4255, 51993), (4905, 45103), (5777, 38295), (5883, 37605), (6095, 36297), (7521, 29415), (7659, 28885), (9805, 22563), (10971, 20165), (12099, 18285), (12535, 17649), (12765, 17331)]