31665825

素因数分解:

$3^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{211}}^1$

素因数の和:279

約数の個数: 72

約数和(自身を含む): 61513920

約数和(自身を除く): 29848095

約数列:

[1, 3, 5, 9, 15, 23, 25, 29, 45, 69, 75, 87, 115, 145, 207, 211, 225, 261, 345, 435, 575, 633, 667, 725, 1035, 1055, 1305, 1725, 1899, 2001, 2175, 3165, 3335, 4853, 5175, 5275, 6003, 6119, 6525, 9495, 10005, 14559, 15825, 16675, 18357, 24265, 30015, 30595, 43677, 47475, 50025, 55071, 72795, 91785, 121325, 140737, 150075, 152975, 218385, 275355, 363975, 422211, 458925, 703685, 1091925, 1266633, 1376775, 2111055, 3518425, 6333165, 10555275, 31665825]

約数ペア:

[(1, 31665825), (3, 10555275), (5, 6333165), (9, 3518425), (15, 2111055), (23, 1376775), (25, 1266633), (29, 1091925), (45, 703685), (69, 458925), (75, 422211), (87, 363975), (115, 275355), (145, 218385), (207, 152975), (211, 150075), (225, 140737), (261, 121325), (345, 91785), (435, 72795), (575, 55071), (633, 50025), (667, 47475), (725, 43677), (1035, 30595), (1055, 30015), (1305, 24265), (1725, 18357), (1899, 16675), (2001, 15825), (2175, 14559), (3165, 10005), (3335, 9495), (4853, 6525), (5175, 6119), (5275, 6003)]