38877825

素因数分解:

$3^1\times 5^2\times 7^2\times {\mathrm{71}}^1\times {\mathrm{149}}^1$

素因数の和:247

約数の個数: 72

約数和(自身を含む): 76334400

約数和(自身を除く): 37456575

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 49, 71, 75, 105, 147, 149, 175, 213, 245, 355, 447, 497, 525, 735, 745, 1043, 1065, 1225, 1491, 1775, 2235, 2485, 3129, 3479, 3675, 3725, 5215, 5325, 7301, 7455, 10437, 10579, 11175, 12425, 15645, 17395, 21903, 26075, 31737, 36505, 37275, 52185, 52895, 74053, 78225, 86975, 109515, 158685, 182525, 222159, 260925, 264475, 370265, 518371, 547575, 793425, 1110795, 1555113, 1851325, 2591855, 5553975, 7775565, 12959275, 38877825]

約数ペア:

[(1, 38877825), (3, 12959275), (5, 7775565), (7, 5553975), (15, 2591855), (21, 1851325), (25, 1555113), (35, 1110795), (49, 793425), (71, 547575), (75, 518371), (105, 370265), (147, 264475), (149, 260925), (175, 222159), (213, 182525), (245, 158685), (355, 109515), (447, 86975), (497, 78225), (525, 74053), (735, 52895), (745, 52185), (1043, 37275), (1065, 36505), (1225, 31737), (1491, 26075), (1775, 21903), (2235, 17395), (2485, 15645), (3129, 12425), (3479, 11175), (3675, 10579), (3725, 10437), (5215, 7455), (5325, 7301)]