20161935

素因数分解:

$3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{149}}^1$

素因数の和:288

約数の個数: 48

約数和(自身を含む): 36691200

約数和(自身を除く): 16529265

約数列:

[1, 3, 5, 9, 15, 31, 45, 93, 97, 149, 155, 279, 291, 447, 465, 485, 745, 873, 1341, 1395, 1455, 2235, 3007, 4365, 4619, 6705, 9021, 13857, 14453, 15035, 23095, 27063, 41571, 43359, 45105, 69285, 72265, 130077, 135315, 207855, 216795, 448043, 650385, 1344129, 2240215, 4032387, 6720645, 20161935]

約数ペア:

[(1, 20161935), (3, 6720645), (5, 4032387), (9, 2240215), (15, 1344129), (31, 650385), (45, 448043), (93, 216795), (97, 207855), (149, 135315), (155, 130077), (279, 72265), (291, 69285), (447, 45105), (465, 43359), (485, 41571), (745, 27063), (873, 23095), (1341, 15035), (1395, 14453), (1455, 13857), (2235, 9021), (3007, 6705), (4365, 4619)]