129125925

素因数分解:

$3^2\times 5^2\times {\mathrm{59}}^1\times {\mathrm{71}}^1\times {\mathrm{137}}^1$

素因数の和:283

約数の個数: 72

約数和(自身を含む): 240252480

約数和(自身を除く): 111126555

約数列:

[1, 3, 5, 9, 15, 25, 45, 59, 71, 75, 137, 177, 213, 225, 295, 355, 411, 531, 639, 685, 885, 1065, 1233, 1475, 1775, 2055, 2655, 3195, 3425, 4189, 4425, 5325, 6165, 8083, 9727, 10275, 12567, 13275, 15975, 20945, 24249, 29181, 30825, 37701, 40415, 48635, 62835, 72747, 87543, 104725, 121245, 145905, 188505, 202075, 243175, 314175, 363735, 437715, 573893, 606225, 729525, 942525, 1721679, 1818675, 2188575, 2869465, 5165037, 8608395, 14347325, 25825185, 43041975, 129125925]

約数ペア:

[(1, 129125925), (3, 43041975), (5, 25825185), (9, 14347325), (15, 8608395), (25, 5165037), (45, 2869465), (59, 2188575), (71, 1818675), (75, 1721679), (137, 942525), (177, 729525), (213, 606225), (225, 573893), (295, 437715), (355, 363735), (411, 314175), (531, 243175), (639, 202075), (685, 188505), (885, 145905), (1065, 121245), (1233, 104725), (1475, 87543), (1775, 72747), (2055, 62835), (2655, 48635), (3195, 40415), (3425, 37701), (4189, 30825), (4425, 29181), (5325, 24249), (6165, 20945), (8083, 15975), (9727, 13275), (10275, 12567)]