28330425

素因数分解:

$3^3\times 5^2\times {\mathrm{19}}^1\times {\mathrm{47}}^2$

素因数の和:132

約数の個数: 72

約数和(自身を含む): 55973600

約数和(自身を除く): 27643175

約数列:

[1, 3, 5, 9, 15, 19, 25, 27, 45, 47, 57, 75, 95, 135, 141, 171, 225, 235, 285, 423, 475, 513, 675, 705, 855, 893, 1175, 1269, 1425, 2115, 2209, 2565, 2679, 3525, 4275, 4465, 6345, 6627, 8037, 10575, 11045, 12825, 13395, 19881, 22325, 24111, 31725, 33135, 40185, 41971, 55225, 59643, 66975, 99405, 120555, 125913, 165675, 200925, 209855, 298215, 377739, 497025, 602775, 629565, 1049275, 1133217, 1491075, 1888695, 3147825, 5666085, 9443475, 28330425]

約数ペア:

[(1, 28330425), (3, 9443475), (5, 5666085), (9, 3147825), (15, 1888695), (19, 1491075), (25, 1133217), (27, 1049275), (45, 629565), (47, 602775), (57, 497025), (75, 377739), (95, 298215), (135, 209855), (141, 200925), (171, 165675), (225, 125913), (235, 120555), (285, 99405), (423, 66975), (475, 59643), (513, 55225), (675, 41971), (705, 40185), (855, 33135), (893, 31725), (1175, 24111), (1269, 22325), (1425, 19881), (2115, 13395), (2209, 12825), (2565, 11045), (2679, 10575), (3525, 8037), (4275, 6627), (4465, 6345)]