71723205

素因数分解:

$3^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{83}}^1\times {\mathrm{173}}^1$

素因数の和:307

約数の個数: 64

約数和(自身を含む): 133297920

約数和(自身を除く): 61574715

約数列:

[1, 3, 5, 9, 15, 27, 37, 45, 83, 111, 135, 173, 185, 249, 333, 415, 519, 555, 747, 865, 999, 1245, 1557, 1665, 2241, 2595, 3071, 3735, 4671, 4995, 6401, 7785, 9213, 11205, 14359, 15355, 19203, 23355, 27639, 32005, 43077, 46065, 57609, 71795, 82917, 96015, 129231, 138195, 172827, 215385, 288045, 387693, 414585, 531283, 646155, 864135, 1593849, 1938465, 2656415, 4781547, 7969245, 14344641, 23907735, 71723205]

約数ペア:

[(1, 71723205), (3, 23907735), (5, 14344641), (9, 7969245), (15, 4781547), (27, 2656415), (37, 1938465), (45, 1593849), (83, 864135), (111, 646155), (135, 531283), (173, 414585), (185, 387693), (249, 288045), (333, 215385), (415, 172827), (519, 138195), (555, 129231), (747, 96015), (865, 82917), (999, 71795), (1245, 57609), (1557, 46065), (1665, 43077), (2241, 32005), (2595, 27639), (3071, 23355), (3735, 19203), (4671, 15355), (4995, 14359), (6401, 11205), (7785, 9213)]