42747390

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{67853}}^1$

素因数の和:67873

約数の個数: 48

約数和(自身を含む): 127022688

約数和(自身を除く): 84275298

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 315, 630, 67853, 135706, 203559, 339265, 407118, 474971, 610677, 678530, 949942, 1017795, 1221354, 1424913, 2035590, 2374855, 2849826, 3053385, 4274739, 4749710, 6106770, 7124565, 8549478, 14249130, 21373695, 42747390]

約数ペア:

[(1, 42747390), (2, 21373695), (3, 14249130), (5, 8549478), (6, 7124565), (7, 6106770), (9, 4749710), (10, 4274739), (14, 3053385), (15, 2849826), (18, 2374855), (21, 2035590), (30, 1424913), (35, 1221354), (42, 1017795), (45, 949942), (63, 678530), (70, 610677), (90, 474971), (105, 407118), (126, 339265), (210, 203559), (315, 135706), (630, 67853)]