16768425

素因数分解:

$3^1\times 5^2\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1$

素因数の和:198

約数の個数: 48

約数和(自身を含む): 29140992

約数和(自身を除く): 12372567

約数列:

[1, 3, 5, 15, 25, 47, 67, 71, 75, 141, 201, 213, 235, 335, 355, 705, 1005, 1065, 1175, 1675, 1775, 3149, 3337, 3525, 4757, 5025, 5325, 9447, 10011, 14271, 15745, 16685, 23785, 47235, 50055, 71355, 78725, 83425, 118925, 223579, 236175, 250275, 356775, 670737, 1117895, 3353685, 5589475, 16768425]

約数ペア:

[(1, 16768425), (3, 5589475), (5, 3353685), (15, 1117895), (25, 670737), (47, 356775), (67, 250275), (71, 236175), (75, 223579), (141, 118925), (201, 83425), (213, 78725), (235, 71355), (335, 50055), (355, 47235), (705, 23785), (1005, 16685), (1065, 15745), (1175, 14271), (1675, 10011), (1775, 9447), (3149, 5325), (3337, 5025), (3525, 4757)]