20131989165

素因数分解:

$3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{1889}}^1\times {\mathrm{5039}}^1$

素因数の和:6986

約数の個数: 48

約数和(自身を含む): 35663846400

約数和(自身を除く): 15531857235

約数列:

[1, 3, 5, 9, 15, 45, 47, 141, 235, 423, 705, 1889, 2115, 5039, 5667, 9445, 15117, 17001, 25195, 28335, 45351, 75585, 85005, 88783, 226755, 236833, 266349, 443915, 710499, 799047, 1184165, 1331745, 2131497, 3552495, 3995235, 9518671, 10657485, 28556013, 47593355, 85668039, 142780065, 428340195, 447377537, 1342132611, 2236887685, 4026397833, 6710663055, 20131989165]

約数ペア:

[(1, 20131989165), (3, 6710663055), (5, 4026397833), (9, 2236887685), (15, 1342132611), (45, 447377537), (47, 428340195), (141, 142780065), (235, 85668039), (423, 47593355), (705, 28556013), (1889, 10657485), (2115, 9518671), (5039, 3995235), (5667, 3552495), (9445, 2131497), (15117, 1331745), (17001, 1184165), (25195, 799047), (28335, 710499), (45351, 443915), (75585, 266349), (85005, 236833), (88783, 226755)]