26660325

素因数分解:

$3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{353}}^1$

素因数の和:438

約数の個数: 48

約数和(自身を含む): 47407680

約数和(自身を除く): 20747355

約数列:

[1, 3, 5, 15, 19, 25, 53, 57, 75, 95, 159, 265, 285, 353, 475, 795, 1007, 1059, 1325, 1425, 1765, 3021, 3975, 5035, 5295, 6707, 8825, 15105, 18709, 20121, 25175, 26475, 33535, 56127, 75525, 93545, 100605, 167675, 280635, 355471, 467725, 503025, 1066413, 1403175, 1777355, 5332065, 8886775, 26660325]

約数ペア:

[(1, 26660325), (3, 8886775), (5, 5332065), (15, 1777355), (19, 1403175), (25, 1066413), (53, 503025), (57, 467725), (75, 355471), (95, 280635), (159, 167675), (265, 100605), (285, 93545), (353, 75525), (475, 56127), (795, 33535), (1007, 26475), (1059, 25175), (1325, 20121), (1425, 18709), (1765, 15105), (3021, 8825), (3975, 6707), (5035, 5295)]