18081315

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{941}}^1$

素因数の和:1020

約数の個数: 48

約数和(自身を含む): 36444096

約数和(自身を除く): 18362781

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 61, 63, 105, 183, 305, 315, 427, 549, 915, 941, 1281, 2135, 2745, 2823, 3843, 4705, 6405, 6587, 8469, 14115, 19215, 19761, 32935, 42345, 57401, 59283, 98805, 172203, 287005, 296415, 401807, 516609, 861015, 1205421, 2009035, 2583045, 3616263, 6027105, 18081315]

約数ペア:

[(1, 18081315), (3, 6027105), (5, 3616263), (7, 2583045), (9, 2009035), (15, 1205421), (21, 861015), (35, 516609), (45, 401807), (61, 296415), (63, 287005), (105, 172203), (183, 98805), (305, 59283), (315, 57401), (427, 42345), (549, 32935), (915, 19761), (941, 19215), (1281, 14115), (2135, 8469), (2745, 6587), (2823, 6405), (3843, 4705)]