74874555

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{251}}^1\times {\mathrm{947}}^1$

素因数の和:1216

約数の個数: 48

約数和(自身を含む): 149071104

約数和(自身を除く): 74196549

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 251, 315, 753, 947, 1255, 1757, 2259, 2841, 3765, 4735, 5271, 6629, 8523, 8785, 11295, 14205, 15813, 19887, 26355, 33145, 42615, 59661, 79065, 99435, 237697, 298305, 713091, 1188485, 1663879, 2139273, 3565455, 4991637, 8319395, 10696365, 14974911, 24958185, 74874555]

約数ペア:

[(1, 74874555), (3, 24958185), (5, 14974911), (7, 10696365), (9, 8319395), (15, 4991637), (21, 3565455), (35, 2139273), (45, 1663879), (63, 1188485), (105, 713091), (251, 298305), (315, 237697), (753, 99435), (947, 79065), (1255, 59661), (1757, 42615), (2259, 33145), (2841, 26355), (3765, 19887), (4735, 15813), (5271, 14205), (6629, 11295), (8523, 8785)]