16401645

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^2\times {\mathrm{53}}^1$

素因数の和:123

約数の個数: 72

約数和(自身を含む): 32609304

約数和(自身を除く): 16207659

約数列:

[1, 3, 5, 9, 13, 15, 23, 39, 45, 53, 65, 69, 115, 117, 159, 195, 207, 265, 299, 345, 477, 529, 585, 689, 795, 897, 1035, 1219, 1495, 1587, 2067, 2385, 2645, 2691, 3445, 3657, 4485, 4761, 6095, 6201, 6877, 7935, 10335, 10971, 13455, 15847, 18285, 20631, 23805, 28037, 31005, 34385, 47541, 54855, 61893, 79235, 84111, 103155, 140185, 142623, 237705, 252333, 309465, 364481, 420555, 713115, 1093443, 1261665, 1822405, 3280329, 5467215, 16401645]

約数ペア:

[(1, 16401645), (3, 5467215), (5, 3280329), (9, 1822405), (13, 1261665), (15, 1093443), (23, 713115), (39, 420555), (45, 364481), (53, 309465), (65, 252333), (69, 237705), (115, 142623), (117, 140185), (159, 103155), (195, 84111), (207, 79235), (265, 61893), (299, 54855), (345, 47541), (477, 34385), (529, 31005), (585, 28037), (689, 23805), (795, 20631), (897, 18285), (1035, 15847), (1219, 13455), (1495, 10971), (1587, 10335), (2067, 7935), (2385, 6877), (2645, 6201), (2691, 6095), (3445, 4761), (3657, 4485)]