27645475

素因数分解:

$5^2\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1$

素因数の和:101

約数の個数: 72

約数和(自身を含む): 43868720

約数和(自身を除く): 16223245

約数列:

[1, 5, 11, 13, 19, 25, 37, 55, 65, 95, 121, 143, 185, 209, 247, 275, 325, 407, 475, 481, 605, 703, 715, 925, 1045, 1235, 1573, 2035, 2299, 2405, 2717, 3025, 3515, 3575, 4477, 5225, 5291, 6175, 7733, 7865, 9139, 10175, 11495, 12025, 13585, 17575, 22385, 26455, 29887, 38665, 39325, 45695, 57475, 58201, 67925, 85063, 100529, 111925, 132275, 149435, 193325, 228475, 291005, 425315, 502645, 747175, 1105819, 1455025, 2126575, 2513225, 5529095, 27645475]

約数ペア:

[(1, 27645475), (5, 5529095), (11, 2513225), (13, 2126575), (19, 1455025), (25, 1105819), (37, 747175), (55, 502645), (65, 425315), (95, 291005), (121, 228475), (143, 193325), (185, 149435), (209, 132275), (247, 111925), (275, 100529), (325, 85063), (407, 67925), (475, 58201), (481, 57475), (605, 45695), (703, 39325), (715, 38665), (925, 29887), (1045, 26455), (1235, 22385), (1573, 17575), (2035, 13585), (2299, 12025), (2405, 11495), (2717, 10175), (3025, 9139), (3515, 7865), (3575, 7733), (4477, 6175), (5225, 5291)]